RuntimeLibcalls: Add mustprogress to common function attributes #167080
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This was referenced Nov 8, 2025
This was referenced Nov 8, 2025
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@llvm/pr-subscribers-llvm-ir @llvm/pr-subscribers-llvm-transforms Author: Matt Arsenault (arsenm) ChangesFull diff: https://github.com/llvm/llvm-project/pull/167080.diff 5 Files Affected:
diff --git a/llvm/lib/IR/RuntimeLibcalls.cpp b/llvm/lib/IR/RuntimeLibcalls.cpp
index c4974246d6878..633bd52dade7a 100644
--- a/llvm/lib/IR/RuntimeLibcalls.cpp
+++ b/llvm/lib/IR/RuntimeLibcalls.cpp
@@ -134,8 +134,8 @@ RuntimeLibcallsInfo::getFunctionTy(LLVMContext &Ctx, const Triple &TT,
const DataLayout &DL,
RTLIB::LibcallImpl LibcallImpl) const {
static constexpr Attribute::AttrKind CommonFnAttrs[] = {
- Attribute::NoCallback, Attribute::NoFree, Attribute::NoSync,
- Attribute::NoUnwind, Attribute::WillReturn};
+ Attribute::MustProgress, Attribute::NoCallback, Attribute::NoFree,
+ Attribute::NoSync, Attribute::NoUnwind, Attribute::WillReturn};
static constexpr Attribute::AttrKind CommonPtrArgAttrs[] = {
Attribute::NoAlias, Attribute::WriteOnly, Attribute::NonNull};
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
index e79e89c95c14a..c40cdf803474e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
@@ -26,4 +26,4 @@
; CHECK: declare aarch64_vector_pcs void @armpl_vsincosq_f64(<2 x double>, ptr noalias nonnull writeonly align 16, ptr noalias nonnull writeonly align 16) [[ATTRS]]
-; CHECK: attributes [[ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
+; CHECK: attributes [[ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write) }
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
index ffbf11d4106dc..af876a7988d4e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
@@ -8,4 +8,4 @@ define noundef nofpclass(nan) float @sqrtf(float %x) "foo" {
; FIXME: Individual fields of nofpclass not merged
; CHECK: define noundef nofpclass(ninf nsub nnorm) float @sqrtf(float %x) [[SQRT_ATTR:#[0-9]+]] {
-; CHECK: attributes [[SQRT_ATTR]] = { nocallback nofree nosync nounwind willreturn memory(errnomem: write) "foo" }
+; CHECK: attributes [[SQRT_ATTR]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(errnomem: write) "foo" }
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
index 57cb016bcb7f3..c7da97d410a9f 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
@@ -16,8 +16,8 @@
; SRET: declare void @__sincos_stret(ptr sret({ double, double }) align 4, double) [[SINCOS_ATTRS:#[0-9]+]]
; SRET: declare void @__sincosf_stret(ptr sret({ float, float }) align 4, float) [[SINCOS_ATTRS:#[0-9]+]]
-; CHECK: attributes [[SINCOS_ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(errnomem: write) }
-; SRET: attributes [[SINCOS_ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write, errnomem: write) }
+; CHECK: attributes [[SINCOS_ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(errnomem: write) }
+; SRET: attributes [[SINCOS_ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write, errnomem: write) }
; NONE-NOT: __sincos_stret
; NONE-NOT: __sincosf_stret
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
index ef2481111087f..e0d8489f7b94e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
@@ -25,4 +25,4 @@
; CHECK: declare void @_ZGVsNxvl8l8_sincospi(<vscale x 2 x double>, ptr noalias nonnull writeonly align 16, ptr noalias nonnull writeonly align 16) [[ATTRS]]
-; CHECK: attributes [[ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
+; CHECK: attributes [[ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write) }
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Member
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@llvm/pr-subscribers-llvm-selectiondag Author: Matt Arsenault (arsenm) ChangesFull diff: https://github.com/llvm/llvm-project/pull/167080.diff 5 Files Affected:
diff --git a/llvm/lib/IR/RuntimeLibcalls.cpp b/llvm/lib/IR/RuntimeLibcalls.cpp
index c4974246d6878..633bd52dade7a 100644
--- a/llvm/lib/IR/RuntimeLibcalls.cpp
+++ b/llvm/lib/IR/RuntimeLibcalls.cpp
@@ -134,8 +134,8 @@ RuntimeLibcallsInfo::getFunctionTy(LLVMContext &Ctx, const Triple &TT,
const DataLayout &DL,
RTLIB::LibcallImpl LibcallImpl) const {
static constexpr Attribute::AttrKind CommonFnAttrs[] = {
- Attribute::NoCallback, Attribute::NoFree, Attribute::NoSync,
- Attribute::NoUnwind, Attribute::WillReturn};
+ Attribute::MustProgress, Attribute::NoCallback, Attribute::NoFree,
+ Attribute::NoSync, Attribute::NoUnwind, Attribute::WillReturn};
static constexpr Attribute::AttrKind CommonPtrArgAttrs[] = {
Attribute::NoAlias, Attribute::WriteOnly, Attribute::NonNull};
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
index e79e89c95c14a..c40cdf803474e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/armpl.ll
@@ -26,4 +26,4 @@
; CHECK: declare aarch64_vector_pcs void @armpl_vsincosq_f64(<2 x double>, ptr noalias nonnull writeonly align 16, ptr noalias nonnull writeonly align 16) [[ATTRS]]
-; CHECK: attributes [[ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
+; CHECK: attributes [[ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write) }
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
index ffbf11d4106dc..af876a7988d4e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/merge_attributes.ll
@@ -8,4 +8,4 @@ define noundef nofpclass(nan) float @sqrtf(float %x) "foo" {
; FIXME: Individual fields of nofpclass not merged
; CHECK: define noundef nofpclass(ninf nsub nnorm) float @sqrtf(float %x) [[SQRT_ATTR:#[0-9]+]] {
-; CHECK: attributes [[SQRT_ATTR]] = { nocallback nofree nosync nounwind willreturn memory(errnomem: write) "foo" }
+; CHECK: attributes [[SQRT_ATTR]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(errnomem: write) "foo" }
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
index 57cb016bcb7f3..c7da97d410a9f 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sincos_stret.ll
@@ -16,8 +16,8 @@
; SRET: declare void @__sincos_stret(ptr sret({ double, double }) align 4, double) [[SINCOS_ATTRS:#[0-9]+]]
; SRET: declare void @__sincosf_stret(ptr sret({ float, float }) align 4, float) [[SINCOS_ATTRS:#[0-9]+]]
-; CHECK: attributes [[SINCOS_ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(errnomem: write) }
-; SRET: attributes [[SINCOS_ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write, errnomem: write) }
+; CHECK: attributes [[SINCOS_ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(errnomem: write) }
+; SRET: attributes [[SINCOS_ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write, errnomem: write) }
; NONE-NOT: __sincos_stret
; NONE-NOT: __sincosf_stret
diff --git a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
index ef2481111087f..e0d8489f7b94e 100644
--- a/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
+++ b/llvm/test/Transforms/Util/DeclareRuntimeLibcalls/sleef.ll
@@ -25,4 +25,4 @@
; CHECK: declare void @_ZGVsNxvl8l8_sincospi(<vscale x 2 x double>, ptr noalias nonnull writeonly align 16, ptr noalias nonnull writeonly align 16) [[ATTRS]]
-; CHECK: attributes [[ATTRS]] = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
+; CHECK: attributes [[ATTRS]] = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: write) }
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This was referenced Nov 8, 2025
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