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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
; RUN: not --crash llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 %s -filetype=null 2>&1 | FileCheck -enable-var-scope %s

; CHECK: LLVM ERROR: failed to find free scratch register

declare hidden void @external_void_func_a15i32_inreg([15 x i32] inreg) #0
declare hidden void @external_void_func_a16i32_inreg([16 x i32] inreg) #0
declare hidden void @external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg, i32 inreg) #0

define void @test_call_external_void_func_a15i32_inreg([15 x i32] inreg %arg0) #0 {
call void @external_void_func_a15i32_inreg([15 x i32] inreg %arg0)
ret void
}

define void @test_call_external_void_func_a16i32_inreg([16 x i32] inreg %arg0) #0 {
call void @external_void_func_a16i32_inreg([16 x i32] inreg %arg0)
ret void
}

define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg %arg0, i32 inreg %arg1) #0 {
call void @external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg %arg0, i32 inreg %arg1)
ret void
}

attributes #0 = { nounwind }

!llvm.module.flags = !{!0}
!0 = !{i32 1, !"amdhsa_code_object_version", i32 400}
104 changes: 39 additions & 65 deletions llvm/test/CodeGen/AMDGPU/call-args-inreg.ll
Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,8 @@ declare hidden void @external_void_func_v2p5_inreg(<2 x ptr addrspace(5)> inreg)

declare hidden void @external_void_func_i64_inreg_i32_inreg_i64_inreg(i64 inreg, i32 inreg, i64 inreg) #0

declare hidden void @external_void_func_a15i32_inreg([15 x i32] inreg) #0
declare hidden void @external_void_func_a16i32_inreg([16 x i32] inreg) #0
declare hidden void @external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg, i32 inreg) #0
declare hidden void @external_void_func_a15i32_inreg_i32_inreg__noimplicit([15 x i32] inreg, i32 inreg) #1
declare hidden void @external_void_func_a15i32_inreg([13 x i32] inreg) #0
declare hidden void @external_void_func_a15i32_inreg_i32_inreg__noimplicit([13 x i32] inreg, i32 inreg) #1

define void @test_call_external_void_func_i8_inreg(i8 inreg %arg) #0 {
; GFX9-LABEL: test_call_external_void_func_i8_inreg:
Expand Down Expand Up @@ -534,12 +532,6 @@ define void @test_call_external_void_func_v8i32_inreg(<8 x i32> inreg %arg) #0 {
ret void
}

; FIXME:
; define void @test_call_external_void_func_v16i32_inreg(<16 x i32> inreg %arg) #0 {
; call void @external_void_func_v16i32_inreg(<16 x i32> inreg %arg)
; ret void
; }

define void @test_call_external_void_func_f16_inreg(half inreg %arg) #0 {
; GFX9-LABEL: test_call_external_void_func_f16_inreg:
; GFX9: ; %bb.0:
Expand Down Expand Up @@ -1402,16 +1394,16 @@ define void @test_call_external_void_func_i64_inreg_i32_inreg_i64_inreg(i64 inre
ret void
}

define void @test_call_external_void_func_a15i32_inreg([15 x i32] inreg %arg0) #0 {
define void @test_call_external_void_func_a15i32_inreg([13 x i32] inreg %arg0) #0 {
; GFX9-LABEL: test_call_external_void_func_a15i32_inreg:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: s_mov_b32 s29, s33
; GFX9-NEXT: s_mov_b32 s27, s33
; GFX9-NEXT: s_mov_b32 s33, s32
; GFX9-NEXT: s_or_saveexec_b64 vcc, -1
; GFX9-NEXT: s_or_saveexec_b64 s[28:29], -1
; GFX9-NEXT: buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill
; GFX9-NEXT: s_mov_b64 exec, vcc
; GFX9-NEXT: v_writelane_b32 v40, s29, 2
; GFX9-NEXT: s_mov_b64 exec, s[28:29]
; GFX9-NEXT: v_writelane_b32 v40, s27, 2
; GFX9-NEXT: s_addk_i32 s32, 0x400
; GFX9-NEXT: v_writelane_b32 v40, s30, 0
; GFX9-NEXT: s_mov_b32 s3, s17
Expand All @@ -1427,13 +1419,11 @@ define void @test_call_external_void_func_a15i32_inreg([15 x i32] inreg %arg0) #
; GFX9-NEXT: s_mov_b32 s22, s24
; GFX9-NEXT: s_mov_b32 s23, s25
; GFX9-NEXT: s_mov_b32 s24, s26
; GFX9-NEXT: s_mov_b32 s25, s27
; GFX9-NEXT: s_mov_b32 s26, s28
; GFX9-NEXT: v_writelane_b32 v40, s31, 1
; GFX9-NEXT: s_getpc_b64 vcc
; GFX9-NEXT: s_add_u32 vcc_lo, vcc_lo, external_void_func_a15i32_inreg@rel32@lo+4
; GFX9-NEXT: s_addc_u32 vcc_hi, vcc_hi, external_void_func_a15i32_inreg@rel32@hi+12
; GFX9-NEXT: s_swappc_b64 s[30:31], vcc
; GFX9-NEXT: s_getpc_b64 s[28:29]
; GFX9-NEXT: s_add_u32 s28, s28, external_void_func_a15i32_inreg@rel32@lo+4
; GFX9-NEXT: s_addc_u32 s29, s29, external_void_func_a15i32_inreg@rel32@hi+12
; GFX9-NEXT: s_swappc_b64 s[30:31], s[28:29]
; GFX9-NEXT: v_readlane_b32 s31, v40, 1
; GFX9-NEXT: v_readlane_b32 s30, v40, 0
; GFX9-NEXT: v_readlane_b32 s4, v40, 2
Expand All @@ -1448,31 +1438,29 @@ define void @test_call_external_void_func_a15i32_inreg([15 x i32] inreg %arg0) #
; GFX11-LABEL: test_call_external_void_func_a15i32_inreg:
; GFX11: ; %bb.0:
; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT: s_mov_b32 s25, s33
; GFX11-NEXT: s_mov_b32 s23, s33
; GFX11-NEXT: s_mov_b32 s33, s32
; GFX11-NEXT: s_or_saveexec_b32 s26, -1
; GFX11-NEXT: s_or_saveexec_b32 s24, -1
; GFX11-NEXT: scratch_store_b32 off, v40, s33 ; 4-byte Folded Spill
; GFX11-NEXT: s_mov_b32 exec_lo, s26
; GFX11-NEXT: v_writelane_b32 v40, s25, 2
; GFX11-NEXT: s_mov_b32 s26, s24
; GFX11-NEXT: s_mov_b32 s25, s23
; GFX11-NEXT: s_mov_b32 exec_lo, s24
; GFX11-NEXT: v_writelane_b32 v40, s23, 2
; GFX11-NEXT: s_mov_b32 s24, s22
; GFX11-NEXT: s_mov_b32 s23, s21
; GFX11-NEXT: v_writelane_b32 v40, s30, 0
; GFX11-NEXT: s_mov_b32 s22, s20
; GFX11-NEXT: s_mov_b32 s21, s19
; GFX11-NEXT: v_writelane_b32 v40, s30, 0
; GFX11-NEXT: s_mov_b32 s20, s18
; GFX11-NEXT: s_mov_b32 s19, s17
; GFX11-NEXT: s_mov_b32 s18, s16
; GFX11-NEXT: s_mov_b32 s17, s7
; GFX11-NEXT: s_mov_b32 s16, s6
; GFX11-NEXT: s_add_i32 s32, s32, 16
; GFX11-NEXT: v_writelane_b32 v40, s31, 1
; GFX11-NEXT: s_getpc_b64 s[28:29]
; GFX11-NEXT: s_add_u32 s28, s28, external_void_func_a15i32_inreg@rel32@lo+4
; GFX11-NEXT: s_addc_u32 s29, s29, external_void_func_a15i32_inreg@rel32@hi+12
; GFX11-NEXT: s_getpc_b64 s[26:27]
; GFX11-NEXT: s_add_u32 s26, s26, external_void_func_a15i32_inreg@rel32@lo+4
; GFX11-NEXT: s_addc_u32 s27, s27, external_void_func_a15i32_inreg@rel32@hi+12
; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
; GFX11-NEXT: s_swappc_b64 s[30:31], s[28:29]
; GFX11-NEXT: s_swappc_b64 s[30:31], s[26:27]
; GFX11-NEXT: v_readlane_b32 s31, v40, 1
; GFX11-NEXT: v_readlane_b32 s30, v40, 0
; GFX11-NEXT: v_readlane_b32 s0, v40, 2
Expand All @@ -1483,34 +1471,22 @@ define void @test_call_external_void_func_a15i32_inreg([15 x i32] inreg %arg0) #
; GFX11-NEXT: s_mov_b32 s33, s0
; GFX11-NEXT: s_waitcnt vmcnt(0)
; GFX11-NEXT: s_setpc_b64 s[30:31]
call void @external_void_func_a15i32_inreg([15 x i32] inreg %arg0)
call void @external_void_func_a15i32_inreg([13 x i32] inreg %arg0)
ret void
}

; FIXME:
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These FIXME has been moved to the new file.

; define void @test_call_external_void_func_a16i32_inreg([16 x i32] inreg %arg0) #0 {
; call void @external_void_func_a16i32_inreg([16 x i32] inreg %arg0)
; ret void
; }

; FIXME:
; define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg %arg0, i32 inreg %arg1) #0 {
; call void @external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg %arg0, i32 inreg %arg1)
; ret void
; }


; FIXME: This should also fail
define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inreg %arg0, i32 inreg %arg1) #1 {
define void @test_call_external_void_func_a15i32_inreg_i32_inreg([13 x i32] inreg %arg0, i32 inreg %arg1) #1 {
; GFX9-LABEL: test_call_external_void_func_a15i32_inreg_i32_inreg:
; GFX9: ; %bb.0:
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT: s_mov_b32 s23, s33
; GFX9-NEXT: s_mov_b32 s21, s33
; GFX9-NEXT: s_mov_b32 s33, s32
; GFX9-NEXT: s_or_saveexec_b64 s[24:25], -1
; GFX9-NEXT: s_or_saveexec_b64 s[22:23], -1
; GFX9-NEXT: buffer_store_dword v40, off, s[0:3], s33 ; 4-byte Folded Spill
; GFX9-NEXT: s_mov_b64 exec, s[24:25]
; GFX9-NEXT: v_writelane_b32 v40, s23, 2
; GFX9-NEXT: s_mov_b64 exec, s[22:23]
; GFX9-NEXT: v_writelane_b32 v40, s21, 2
; GFX9-NEXT: s_addk_i32 s32, 0x400
; GFX9-NEXT: v_writelane_b32 v40, s30, 0
; GFX9-NEXT: s_mov_b32 s3, s7
Expand All @@ -1527,13 +1503,11 @@ define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inre
; GFX9-NEXT: s_mov_b32 s11, s18
; GFX9-NEXT: s_mov_b32 s15, s19
; GFX9-NEXT: s_mov_b32 s16, s20
; GFX9-NEXT: s_mov_b32 s17, s21
; GFX9-NEXT: s_mov_b32 s18, s22
; GFX9-NEXT: v_writelane_b32 v40, s31, 1
; GFX9-NEXT: s_getpc_b64 s[24:25]
; GFX9-NEXT: s_add_u32 s24, s24, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@lo+4
; GFX9-NEXT: s_addc_u32 s25, s25, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@hi+12
; GFX9-NEXT: s_swappc_b64 s[30:31], s[24:25]
; GFX9-NEXT: s_getpc_b64 s[22:23]
; GFX9-NEXT: s_add_u32 s22, s22, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@lo+4
; GFX9-NEXT: s_addc_u32 s23, s23, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@hi+12
; GFX9-NEXT: s_swappc_b64 s[30:31], s[22:23]
; GFX9-NEXT: v_readlane_b32 s31, v40, 1
; GFX9-NEXT: v_readlane_b32 s30, v40, 0
; GFX9-NEXT: v_readlane_b32 s4, v40, 2
Expand All @@ -1548,19 +1522,19 @@ define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inre
; GFX11-LABEL: test_call_external_void_func_a15i32_inreg_i32_inreg:
; GFX11: ; %bb.0:
; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT: s_mov_b32 s19, s33
; GFX11-NEXT: s_mov_b32 s17, s33
; GFX11-NEXT: s_mov_b32 s33, s32
; GFX11-NEXT: s_or_saveexec_b32 s20, -1
; GFX11-NEXT: s_or_saveexec_b32 s18, -1
; GFX11-NEXT: scratch_store_b32 off, v40, s33 ; 4-byte Folded Spill
; GFX11-NEXT: s_mov_b32 exec_lo, s20
; GFX11-NEXT: v_writelane_b32 v40, s19, 2
; GFX11-NEXT: s_mov_b32 exec_lo, s18
; GFX11-NEXT: v_writelane_b32 v40, s17, 2
; GFX11-NEXT: s_add_i32 s32, s32, 16
; GFX11-NEXT: s_getpc_b64 s[20:21]
; GFX11-NEXT: s_add_u32 s20, s20, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@lo+4
; GFX11-NEXT: s_addc_u32 s21, s21, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@hi+12
; GFX11-NEXT: s_getpc_b64 s[18:19]
; GFX11-NEXT: s_add_u32 s18, s18, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@lo+4
; GFX11-NEXT: s_addc_u32 s19, s19, external_void_func_a15i32_inreg_i32_inreg__noimplicit@rel32@hi+12
; GFX11-NEXT: v_writelane_b32 v40, s30, 0
; GFX11-NEXT: v_writelane_b32 v40, s31, 1
; GFX11-NEXT: s_swappc_b64 s[30:31], s[20:21]
; GFX11-NEXT: s_swappc_b64 s[30:31], s[18:19]
; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT: v_readlane_b32 s31, v40, 1
; GFX11-NEXT: v_readlane_b32 s30, v40, 0
Expand All @@ -1572,7 +1546,7 @@ define void @test_call_external_void_func_a15i32_inreg_i32_inreg([15 x i32] inre
; GFX11-NEXT: s_mov_b32 s33, s0
; GFX11-NEXT: s_waitcnt vmcnt(0)
; GFX11-NEXT: s_setpc_b64 s[30:31]
call void @external_void_func_a15i32_inreg_i32_inreg__noimplicit([15 x i32] inreg %arg0, i32 inreg %arg1)
call void @external_void_func_a15i32_inreg_i32_inreg__noimplicit([13 x i32] inreg %arg0, i32 inreg %arg1)
ret void
}

Expand Down
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