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Mar 14, 2025
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AMDGPU: Add generated checks to compile only test #131258

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28 changes: 26 additions & 2 deletions llvm/test/CodeGen/AMDGPU/swdev282079.ll
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Original file line number Diff line number Diff line change
@@ -1,11 +1,35 @@
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a < %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a < %s | FileCheck %s

define protected amdgpu_kernel void @foo(ptr addrspace(1) %arg, ptr addrspace(1) %arg1) {
; CHECK-LABEL: foo:
; CHECK: ; %bb.0: ; %bb
; CHECK-NEXT: s_add_u32 flat_scratch_lo, s12, s17
; CHECK-NEXT: s_addc_u32 flat_scratch_hi, s13, 0
; CHECK-NEXT: s_add_u32 s0, s0, s17
; CHECK-NEXT: s_addc_u32 s1, s1, 0
; CHECK-NEXT: s_add_u32 s8, s8, 16
; CHECK-NEXT: s_addc_u32 s9, s9, 0
; CHECK-NEXT: s_mov_b32 s13, s15
; CHECK-NEXT: s_mov_b32 s12, s14
; CHECK-NEXT: s_getpc_b64 s[18:19]
; CHECK-NEXT: s_add_u32 s18, s18, eggs@rel32@lo+4
; CHECK-NEXT: s_addc_u32 s19, s19, eggs@rel32@hi+12
; CHECK-NEXT: s_mov_b32 s14, s16
; CHECK-NEXT: v_mov_b32_e32 v31, v0
; CHECK-NEXT: v_mov_b32_e32 v1, 0
; CHECK-NEXT: s_mov_b32 s32, 0
; CHECK-NEXT: s_swappc_b64 s[30:31], s[18:19]
; CHECK-NEXT: buffer_load_dword v2, off, s[0:3], 0
; CHECK-NEXT: buffer_load_dword v3, off, s[0:3], 0 offset:4
; CHECK-NEXT: s_waitcnt vmcnt(0)
; CHECK-NEXT: flat_store_dwordx2 v[2:3], v[0:1]
; CHECK-NEXT: s_endpgm
bb:
%tmp = addrspacecast ptr addrspace(5) null to ptr
%tmp2 = call i64 @eggs(ptr poison) #1
%tmp3 = load ptr, ptr %tmp, align 8
%tmp4 = getelementptr inbounds i64, ptr %tmp3, i64 undef
%tmp4 = getelementptr inbounds i64, ptr %tmp3, i64 0
store i64 %tmp2, ptr %tmp4, align 8
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why not poison here ?

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defined results are preferable to undefined results. We only want to replace with poison when it's potentially relevant to the test

ret void
}
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