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[SelectionDAG] Remove NoInfsFPMath uses #162788

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Merged
merged 6 commits into from
Oct 12, 2025
Merged

[SelectionDAG] Remove NoInfsFPMath uses #162788

merged 6 commits into from
Oct 12, 2025

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paperchalice
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@paperchalice paperchalice commented Oct 10, 2025 •
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Users should use fast-math flags instead.

@paperchalice paperchalice force-pushed the sdag-ninf branch 2 times, most recently from 78298c0 to fa27d74 Compare October 10, 2025 06:47
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✅ With the latest revision this PR passed the undef deprecator.

@paperchalice paperchalice marked this pull request as ready for review October 10, 2025 11:43
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llvmbot commented Oct 10, 2025 •
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@llvm/pr-subscribers-llvm-selectiondag
@llvm/pr-subscribers-backend-x86

@llvm/pr-subscribers-backend-amdgpu

Author: None (paperchalice)

Changes

Users should use fast-math flags instead.

Patch is 250.09 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/162788.diff

5 Files Affected:

  • (modified) llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (+4-12)
  • (modified) llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (+1-1)
  • (modified) llvm/test/CodeGen/AMDGPU/fma-combine.ll (+1199-814)
  • (modified) llvm/test/CodeGen/X86/fma_patterns.ll (+1001-860)
  • (modified) llvm/test/CodeGen/X86/fma_patterns_wide.ll (+678-591)
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index c5c38661f1d71..0aea025530fa7 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -17086,11 +17086,6 @@ static bool isContractableFMUL(const TargetOptions &Options, SDValue N) {
          N->getFlags().hasAllowContract();
 }
 
-// Returns true if `N` can assume no infinities involved in its computation.
-static bool hasNoInfs(const TargetOptions &Options, SDValue N) {
-  return Options.NoInfsFPMath || N->getFlags().hasNoInfs();
-}
-
 /// Try to perform FMA combining on a given FADD node.
 template <class MatchContextClass>
 SDValue DAGCombiner::visitFADDForFMACombine(SDNode *N) {
@@ -17666,7 +17661,7 @@ SDValue DAGCombiner::visitFMULForFMADistributiveCombine(SDNode *N) {
   // The transforms below are incorrect when x == 0 and y == inf, because the
   // intermediate multiplication produces a nan.
   SDValue FAdd = N0.getOpcode() == ISD::FADD ? N0 : N1;
-  if (!hasNoInfs(Options, FAdd))
+  if (!FAdd->getFlags().hasNoInfs())
     return SDValue();
 
   // Floating-point multiply-add without intermediate rounding.
@@ -18343,7 +18338,7 @@ template <class MatchContextClass> SDValue DAGCombiner::visitFMA(SDNode *N) {
       return matcher.getNode(ISD::FMA, DL, VT, NegN0, NegN1, N2);
   }
 
-  if ((Options.NoNaNsFPMath && Options.NoInfsFPMath) ||
+  if ((Options.NoNaNsFPMath && N->getFlags().hasNoInfs()) ||
       (N->getFlags().hasNoNaNs() && N->getFlags().hasNoInfs())) {
     if (N->getFlags().hasNoSignedZeros() ||
         (N2CFP && !N2CFP->isExactlyValue(-0.0))) {
@@ -18533,7 +18528,6 @@ SDValue DAGCombiner::visitFDIV(SDNode *N) {
   SDValue N1 = N->getOperand(1);
   EVT VT = N->getValueType(0);
   SDLoc DL(N);
-  const TargetOptions &Options = DAG.getTarget().Options;
   SDNodeFlags Flags = N->getFlags();
   SelectionDAG::FlagInserter FlagsInserter(DAG, N);
 
@@ -18644,7 +18638,7 @@ SDValue DAGCombiner::visitFDIV(SDNode *N) {
     }
 
     // Fold into a reciprocal estimate and multiply instead of a real divide.
-    if (Options.NoInfsFPMath || Flags.hasNoInfs())
+    if (Flags.hasNoInfs())
       if (SDValue RV = BuildDivEstimate(N0, N1, Flags))
         return RV;
   }
@@ -18721,12 +18715,10 @@ SDValue DAGCombiner::visitFREM(SDNode *N) {
 
 SDValue DAGCombiner::visitFSQRT(SDNode *N) {
   SDNodeFlags Flags = N->getFlags();
-  const TargetOptions &Options = DAG.getTarget().Options;
 
   // Require 'ninf' flag since sqrt(+Inf) = +Inf, but the estimation goes as:
   // sqrt(+Inf) == rsqrt(+Inf) * +Inf = 0 * +Inf = NaN
-  if (!Flags.hasApproximateFuncs() ||
-      (!Options.NoInfsFPMath && !Flags.hasNoInfs()))
+  if (!Flags.hasApproximateFuncs() || !Flags.hasNoInfs())
     return SDValue();
 
   SDValue N0 = N->getOperand(0);
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 6ea2e2708c162..3d963103d7469 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5771,7 +5771,7 @@ bool SelectionDAG::canCreateUndefOrPoison(SDValue Op, const APInt &DemandedElts,
       return true;
 
     const TargetOptions &Options = getTarget().Options;
-    return Options.NoNaNsFPMath || Options.NoInfsFPMath;
+    return Options.NoNaNsFPMath || Op->getFlags().hasNoInfs();
   }
 
   case ISD::OR:
diff --git a/llvm/test/CodeGen/AMDGPU/fma-combine.ll b/llvm/test/CodeGen/AMDGPU/fma-combine.ll
index d7cf411da0ccb..8fc6904f5009c 100644
--- a/llvm/test/CodeGen/AMDGPU/fma-combine.ll
+++ b/llvm/test/CodeGen/AMDGPU/fma-combine.ll
@@ -1,9 +1,9 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
-; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -denormal-fp-math-f32=preserve-sign < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-NOFMA %s
-; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=verde -denormal-fp-math-f32=preserve-sign < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-NOFMA %s
-; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -denormal-fp-math-f32=ieee  -enable-no-infs-fp-math < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-FMA %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -denormal-fp-math-f32=preserve-sign < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-NOFMA,TAHITI %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=verde -denormal-fp-math-f32=preserve-sign < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-NOFMA,VERDE %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -denormal-fp-math-f32=ieee < %s | FileCheck -enable-var-scope -check-prefixes=SI,SI-FMA %s
 ; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1100 -denormal-fp-math-f32=preserve-sign  < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-NOFMA %s
-; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1100 -denormal-fp-math-f32=ieee -enable-no-infs-fp-math < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-FMA %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1100 -denormal-fp-math-f32=ieee < %s | FileCheck -enable-var-scope -check-prefixes=GFX11,GFX11-FMA %s
 
 ; Note: The SI-FMA conversions of type x * (y + 1) --> x * y + x would be
 ; beneficial even without fp32 denormals, but they do require no-infs-fp-math
@@ -648,53 +648,53 @@ define amdgpu_kernel void @combine_to_fma_fsub_2_f64_2uses_mul(ptr addrspace(1)
 
 ; fold (fsub (fma x, y, (fmul u, v)), z) -> (fma x, y (fma u, v, (fneg z)))
 define amdgpu_kernel void @aggressive_combine_to_fma_fsub_0_f64(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) #1 {
-; SI-FMA-LABEL: aggressive_combine_to_fma_fsub_0_f64:
-; SI-FMA:       ; %bb.0:
-; SI-FMA-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
-; SI-FMA-NEXT:    s_mov_b32 s7, 0xf000
-; SI-FMA-NEXT:    s_mov_b32 s6, 0
-; SI-FMA-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
-; SI-FMA-NEXT:    v_mov_b32_e32 v1, 0
-; SI-FMA-NEXT:    s_waitcnt lgkmcnt(0)
-; SI-FMA-NEXT:    s_mov_b64 s[4:5], s[2:3]
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    s_mov_b64 s[2:3], s[6:7]
-; SI-FMA-NEXT:    v_fma_f64 v[6:7], v[8:9], v[10:11], -v[6:7]
-; SI-FMA-NEXT:    v_fma_f64 v[2:3], v[2:3], v[4:5], v[6:7]
-; SI-FMA-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
-; SI-FMA-NEXT:    s_endpgm
+; SI-LABEL: aggressive_combine_to_fma_fsub_0_f64:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
+; SI-NEXT:    s_mov_b32 s7, 0xf000
+; SI-NEXT:    s_mov_b32 s6, 0
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
+; SI-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
+; SI-NEXT:    v_fma_f64 v[6:7], v[8:9], v[10:11], -v[6:7]
+; SI-NEXT:    v_fma_f64 v[2:3], v[2:3], v[4:5], v[6:7]
+; SI-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
 ;
-; GFX11-FMA-LABEL: aggressive_combine_to_fma_fsub_0_f64:
-; GFX11-FMA:       ; %bb.0:
-; GFX11-FMA-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
-; GFX11-FMA-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
-; GFX11-FMA-NEXT:    s_delay_alu instid0(VALU_DEP_1)
-; GFX11-FMA-NEXT:    v_lshlrev_b32_e32 v10, 3, v0
-; GFX11-FMA-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[0:1], v10, s[2:3] glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[2:3], v10, s[2:3] offset:8 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[4:5], v10, s[2:3] offset:16 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[6:7], v10, s[2:3] offset:24 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[8:9], v10, s[2:3] offset:32 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    v_fma_f64 v[4:5], v[6:7], v[8:9], -v[4:5]
-; GFX11-FMA-NEXT:    s_delay_alu instid0(VALU_DEP_1)
-; GFX11-FMA-NEXT:    v_fma_f64 v[0:1], v[0:1], v[2:3], v[4:5]
-; GFX11-FMA-NEXT:    global_store_b64 v10, v[0:1], s[0:1]
-; GFX11-FMA-NEXT:    s_endpgm
+; GFX11-LABEL: aggressive_combine_to_fma_fsub_0_f64:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_lshlrev_b32_e32 v10, 3, v0
+; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[0:1], v10, s[2:3] glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[2:3], v10, s[2:3] offset:8 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[4:5], v10, s[2:3] offset:16 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[6:7], v10, s[2:3] offset:24 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[8:9], v10, s[2:3] offset:32 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    v_fma_f64 v[4:5], v[6:7], v[8:9], -v[4:5]
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_fma_f64 v[0:1], v[0:1], v[2:3], v[4:5]
+; GFX11-NEXT:    global_store_b64 v10, v[0:1], s[0:1]
+; GFX11-NEXT:    s_endpgm
   %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
   %gep.0 = getelementptr double, ptr addrspace(1) %in, i32 %tid
   %gep.1 = getelementptr double, ptr addrspace(1) %gep.0, i32 1
@@ -718,55 +718,55 @@ define amdgpu_kernel void @aggressive_combine_to_fma_fsub_0_f64(ptr addrspace(1)
 }
 
 define amdgpu_kernel void @no_aggressive_combine_to_fma_fsub_0_f64(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) #1 {
-; SI-NOFMA-LABEL: no_aggressive_combine_to_fma_fsub_0_f64:
-; SI-NOFMA:       ; %bb.0:
-; SI-NOFMA-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
-; SI-NOFMA-NEXT:    s_mov_b32 s7, 0xf000
-; SI-NOFMA-NEXT:    s_mov_b32 s6, 0
-; SI-NOFMA-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
-; SI-NOFMA-NEXT:    v_mov_b32_e32 v1, 0
-; SI-NOFMA-NEXT:    s_waitcnt lgkmcnt(0)
-; SI-NOFMA-NEXT:    s_mov_b64 s[4:5], s[2:3]
-; SI-NOFMA-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
-; SI-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-NOFMA-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
-; SI-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-NOFMA-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
-; SI-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-NOFMA-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
-; SI-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-NOFMA-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
-; SI-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-NOFMA-NEXT:    s_mov_b64 s[2:3], s[6:7]
-; SI-NOFMA-NEXT:    v_mul_f64 v[8:9], v[8:9], v[10:11]
-; SI-NOFMA-NEXT:    v_fma_f64 v[2:3], v[2:3], v[4:5], v[8:9]
-; SI-NOFMA-NEXT:    v_add_f64 v[2:3], v[2:3], -v[6:7]
-; SI-NOFMA-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
-; SI-NOFMA-NEXT:    s_endpgm
+; SI-LABEL: no_aggressive_combine_to_fma_fsub_0_f64:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
+; SI-NEXT:    s_mov_b32 s7, 0xf000
+; SI-NEXT:    s_mov_b32 s6, 0
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
+; SI-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
+; SI-NEXT:    v_mul_f64 v[8:9], v[8:9], v[10:11]
+; SI-NEXT:    v_fma_f64 v[2:3], v[2:3], v[4:5], v[8:9]
+; SI-NEXT:    v_add_f64 v[2:3], v[2:3], -v[6:7]
+; SI-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
 ;
-; GFX11-NOFMA-LABEL: no_aggressive_combine_to_fma_fsub_0_f64:
-; GFX11-NOFMA:       ; %bb.0:
-; GFX11-NOFMA-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
-; GFX11-NOFMA-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
-; GFX11-NOFMA-NEXT:    s_delay_alu instid0(VALU_DEP_1)
-; GFX11-NOFMA-NEXT:    v_lshlrev_b32_e32 v10, 3, v0
-; GFX11-NOFMA-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX11-NOFMA-NEXT:    global_load_b64 v[0:1], v10, s[2:3] glc dlc
-; GFX11-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-NOFMA-NEXT:    global_load_b64 v[2:3], v10, s[2:3] offset:8 glc dlc
-; GFX11-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-NOFMA-NEXT:    global_load_b64 v[4:5], v10, s[2:3] offset:16 glc dlc
-; GFX11-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-NOFMA-NEXT:    global_load_b64 v[6:7], v10, s[2:3] offset:24 glc dlc
-; GFX11-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-NOFMA-NEXT:    global_load_b64 v[8:9], v10, s[2:3] offset:32 glc dlc
-; GFX11-NOFMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-NOFMA-NEXT:    v_mul_f64 v[6:7], v[6:7], v[8:9]
-; GFX11-NOFMA-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
-; GFX11-NOFMA-NEXT:    v_fma_f64 v[0:1], v[0:1], v[2:3], v[6:7]
-; GFX11-NOFMA-NEXT:    v_add_f64 v[0:1], v[0:1], -v[4:5]
-; GFX11-NOFMA-NEXT:    global_store_b64 v10, v[0:1], s[0:1]
-; GFX11-NOFMA-NEXT:    s_endpgm
+; GFX11-LABEL: no_aggressive_combine_to_fma_fsub_0_f64:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_lshlrev_b32_e32 v10, 3, v0
+; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[0:1], v10, s[2:3] glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[2:3], v10, s[2:3] offset:8 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[4:5], v10, s[2:3] offset:16 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[6:7], v10, s[2:3] offset:24 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    global_load_b64 v[8:9], v10, s[2:3] offset:32 glc dlc
+; GFX11-NEXT:    s_waitcnt vmcnt(0)
+; GFX11-NEXT:    v_mul_f64 v[6:7], v[6:7], v[8:9]
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX11-NEXT:    v_fma_f64 v[0:1], v[0:1], v[2:3], v[6:7]
+; GFX11-NEXT:    v_add_f64 v[0:1], v[0:1], -v[4:5]
+; GFX11-NEXT:    global_store_b64 v10, v[0:1], s[0:1]
+; GFX11-NEXT:    s_endpgm
   %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
   %gep.0 = getelementptr double, ptr addrspace(1) %in, i32 %tid
   %gep.1 = getelementptr double, ptr addrspace(1) %gep.0, i32 1
@@ -792,53 +792,53 @@ define amdgpu_kernel void @no_aggressive_combine_to_fma_fsub_0_f64(ptr addrspace
 ; fold (fsub x, (fma y, z, (fmul u, v)))
 ;   -> (fma (fneg y), z, (fma (fneg u), v, x))
 define amdgpu_kernel void @aggressive_combine_to_fma_fsub_1_f64(ptr addrspace(1) noalias %out, ptr addrspace(1) noalias %in) #1 {
-; SI-FMA-LABEL: aggressive_combine_to_fma_fsub_1_f64:
-; SI-FMA:       ; %bb.0:
-; SI-FMA-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
-; SI-FMA-NEXT:    s_mov_b32 s7, 0xf000
-; SI-FMA-NEXT:    s_mov_b32 s6, 0
-; SI-FMA-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
-; SI-FMA-NEXT:    v_mov_b32_e32 v1, 0
-; SI-FMA-NEXT:    s_waitcnt lgkmcnt(0)
-; SI-FMA-NEXT:    s_mov_b64 s[4:5], s[2:3]
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
-; SI-FMA-NEXT:    s_waitcnt vmcnt(0)
-; SI-FMA-NEXT:    s_mov_b64 s[2:3], s[6:7]
-; SI-FMA-NEXT:    v_fma_f64 v[2:3], -v[8:9], v[10:11], v[2:3]
-; SI-FMA-NEXT:    v_fma_f64 v[2:3], -v[4:5], v[6:7], v[2:3]
-; SI-FMA-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
-; SI-FMA-NEXT:    s_endpgm
+; SI-LABEL: aggressive_combine_to_fma_fsub_1_f64:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
+; SI-NEXT:    s_mov_b32 s7, 0xf000
+; SI-NEXT:    s_mov_b32 s6, 0
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 3, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
+; SI-NEXT:    buffer_load_dwordx2 v[2:3], v[0:1], s[4:7], 0 addr64 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[4:5], v[0:1], s[4:7], 0 addr64 offset:8 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[6:7], v[0:1], s[4:7], 0 addr64 offset:16 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[8:9], v[0:1], s[4:7], 0 addr64 offset:24 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    buffer_load_dwordx2 v[10:11], v[0:1], s[4:7], 0 addr64 offset:32 glc
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
+; SI-NEXT:    v_fma_f64 v[2:3], -v[8:9], v[10:11], v[2:3]
+; SI-NEXT:    v_fma_f64 v[2:3], -v[4:5], v[6:7], v[2:3]
+; SI-NEXT:    buffer_store_dwordx2 v[2:3], v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
 ;
-; GFX11-FMA-LABEL: aggressive_combine_to_fma_fsub_1_f64:
-; GFX11-FMA:       ; %bb.0:
-; GFX11-FMA-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
-; GFX11-FMA-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
-; GFX11-FMA-NEXT:    s_delay_alu instid0(VALU_DEP_1)
-; GFX11-FMA-NEXT:    v_lshlrev_b32_e32 v10, 3, v0
-; GFX11-FMA-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[0:1], v10, s[2:3] glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[2:3], v10, s[2:3] offset:8 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[4:5], v10, s[2:3] offset:16 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[6:7], v10, s[2:3] offset:24 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    global_load_b64 v[8:9], v10, s[2:3] offset:32 glc dlc
-; GFX11-FMA-NEXT:    s_waitcnt vmcnt(0)
-; GFX11-FMA-NEXT:    v_fma_f64 v[0:1], -v[6:7], v[8:9], v[0:1]
-; GFX11-FMA-NEXT:    s_delay_alu instid0(VALU_DEP_1)
-; GFX11-FMA-NEXT:    v_fma_f64 v[0:1], -v[2:3], v[4:5], v[0:1]
-; GFX11-FMA-NEXT:    global_store_b64 v10, v[0:1], s[0:1]
-; GFX11-FMA-NEXT:    s_endpgm
+; GFX11-LABEL: aggressive_combine_to_fma_fsub_1_f64:
+; GFX11:       ; %bb.0:
+; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
+; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
+; GFX11-NEXT:    v_lshlrev_...
[truncated]

@paperchalice paperchalice added the floating-point Floating-point math label Oct 10, 2025
arsenm
arsenm reviewed Oct 10, 2025
View reviewed changes
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Outdated

const TargetOptions &Options = getTarget().Options;
return Options.NoNaNsFPMath || Options.NoInfsFPMath;
return Options.NoNaNsFPMath || Op->getFlags().hasNoInfs();
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This should have been covered by the hasPoisonGeneratingFlags above

@paperchalice paperchalice merged commit a611074 into llvm:main Oct 12, 2025
10 checks passed
@paperchalice paperchalice deleted the sdag-ninf branch October 12, 2025 01:38
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llvm-ci commented Oct 12, 2025

LLVM Buildbot has detected a new failure on builder sanitizer-x86_64-linux-fast running on sanitizer-buildbot3 while building llvm at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/15889

Here is the relevant piece of the build log for the reference 
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92600 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (66077 of 92600)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp && mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
310.62s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
236.05s: Clang :: Driver/fsanitize.c
188.86s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
176.69s: Clang :: Preprocessor/riscv-target-features.c
151.86s: Clang :: OpenMP/target_update_codegen.cpp
Step 10 (stage2/asan_ubsan check) failure: stage2/asan_ubsan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 92600 tests, 64 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s (66077 of 92600)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/x86-64/MachO_weak_references.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp && mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# executed command: rm -rf /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# executed command: mkdir -p /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp
# note: command had no output on stdout or stderr
# RUN: at line 2
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-present -abs bar=0x1 -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# note: command had no output on stdout or stderr
# RUN: at line 4
/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-jitlink -noexec -check-name=jitlink-check-bar-absent -check=/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/ExecutionEngine/JITLink/x86-64/MachO_weak_references.s /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/test/ExecutionEngine/JITLink/x86-64/Output/MachO_weak_references.s.tmp/macho_weak_refs.o
# .---command stderr------------
# | libc++abi: Pure virtual function called!
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Slowest Tests:
--------------------------------------------------------------------------
310.62s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
236.05s: Clang :: Driver/fsanitize.c
188.86s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
176.69s: Clang :: Preprocessor/riscv-target-features.c
151.86s: Clang :: OpenMP/target_update_codegen.cpp

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llvm-ci commented Oct 12, 2025

LLVM Buildbot has detected a new failure on builder clang-ppc64le-linux-test-suite running on ppc64le-clang-test-suite while building llvm at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/95/builds/18712

Here is the relevant piece of the build log for the reference 
Step 6 (test-build-unified-tree-check-all) failure: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
...
PASS: lit :: xfail-cl.py (102656 of 102666)
PASS: lit :: discovery.py (102657 of 102666)
PASS: lit :: shtest-inject.py (102658 of 102666)
PASS: lit :: reorder.py (102659 of 102666)
PASS: lit :: diff-test-update.py (102660 of 102666)
PASS: lit :: shtest-run-at-line.py (102661 of 102666)
PASS: lit :: lit-opts.py (102662 of 102666)
PASS: lit :: shtest-shell.py (102663 of 102666)
PASS: lit :: selecting.py (102664 of 102666)
PASS: lit :: allow-retries.py (102665 of 102666)
command timed out: 1200 seconds without output running [b'ninja', b'check-all'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=4233.073653

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@arsenm arsenm arsenm approved these changes

@RKSimon RKSimon Awaiting requested review from RKSimon

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