derek.holloway
7502bf64a4
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46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -start-before=amdgpu-isel < %s | FileCheck --check-prefixes=GFX942 %s
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; Tests for undef and poison DAG folds for the ISD::PTRADD SelectionDAG opcode.
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; If any additions are generated for these tests, the folds don't work.
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define ptr @poison_offset(ptr %p, i64 %offset) {
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; GFX942-LABEL: poison_offset:
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; GFX942: ; %bb.0:
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; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX942-NEXT: v_mov_b32_e32 v1, 0
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; GFX942-NEXT: s_setpc_b64 s[30:31]
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%gep1 = getelementptr i8, ptr %p, i64 poison
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ret ptr %gep1
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}
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define ptr @poison_base(ptr %p, i64 %offset) {
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; GFX942-LABEL: poison_base:
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; GFX942: ; %bb.0:
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; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX942-NEXT: v_mov_b32_e32 v1, 0
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; GFX942-NEXT: s_setpc_b64 s[30:31]
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%gep1 = getelementptr i8, ptr poison, i64 %offset
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ret ptr %gep1
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}
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define ptr @undef_offset(ptr %p, i64 %offset) {
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; GFX942-LABEL: undef_offset:
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; GFX942: ; %bb.0:
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; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX942-NEXT: v_mov_b32_e32 v1, 0
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; GFX942-NEXT: s_setpc_b64 s[30:31]
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%gep1 = getelementptr i8, ptr %p, i64 undef
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ret ptr %gep1
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}
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define ptr @undef_base(ptr %p, i64 %offset) {
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; GFX942-LABEL: undef_base:
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; GFX942: ; %bb.0:
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; GFX942-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GFX942-NEXT: v_mov_b32_e32 v1, 0
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; GFX942-NEXT: s_setpc_b64 s[30:31]
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%gep1 = getelementptr i8, ptr undef, i64 %offset
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ret ptr %gep1
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}
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