derek.holloway
7502bf64a4
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98 lines
4.6 KiB
LLVM
98 lines
4.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -O0 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefix=O0
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; RUN: llc -O3 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefix=O3
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--"
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define i32 @cse_gep(ptr %ptr, i32 %idx) {
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; O0-LABEL: name: cse_gep
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; O0: bb.1 (%ir-block.0):
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; O0-NEXT: liveins: $w1, $x0
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; O0-NEXT: {{ $}}
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; O0-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; O0-NEXT: [[COPY1:%[0-9]+]]:_(i32) = COPY $w1
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; O0-NEXT: [[SEXT:%[0-9]+]]:_(i64) = G_SEXT [[COPY1]](i32)
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; O0-NEXT: [[C:%[0-9]+]]:_(i64) = G_CONSTANT i64 16
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; O0-NEXT: [[MUL:%[0-9]+]]:_(i64) = nsw G_MUL [[SEXT]], [[C]]
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; O0-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = nusw inbounds G_PTR_ADD [[COPY]], [[MUL]](i64)
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; O0-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
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; O0-NEXT: [[LOAD:%[0-9]+]]:_(i32) = G_LOAD [[COPY2]](p0) :: (load (i32) from %ir.gep1)
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; O0-NEXT: [[MUL1:%[0-9]+]]:_(i64) = nsw G_MUL [[SEXT]], [[C]]
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; O0-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = nusw inbounds G_PTR_ADD [[COPY]], [[MUL1]](i64)
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; O0-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 4
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; O0-NEXT: [[PTR_ADD2:%[0-9]+]]:_(p0) = nuw nusw inbounds G_PTR_ADD [[PTR_ADD1]], [[C1]](i64)
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; O0-NEXT: [[LOAD1:%[0-9]+]]:_(i32) = G_LOAD [[PTR_ADD2]](p0) :: (load (i32) from %ir.gep2)
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; O0-NEXT: [[ADD:%[0-9]+]]:_(i32) = G_ADD [[LOAD]], [[LOAD1]]
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; O0-NEXT: $w0 = COPY [[ADD]](i32)
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; O0-NEXT: RET_ReallyLR implicit $w0
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;
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; O3-LABEL: name: cse_gep
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; O3: bb.1 (%ir-block.0):
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; O3-NEXT: liveins: $w1, $x0
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; O3-NEXT: {{ $}}
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; O3-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
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; O3-NEXT: [[COPY1:%[0-9]+]]:_(i32) = COPY $w1
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; O3-NEXT: [[SEXT:%[0-9]+]]:_(i64) = G_SEXT [[COPY1]](i32)
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; O3-NEXT: [[C:%[0-9]+]]:_(i64) = G_CONSTANT i64 16
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; O3-NEXT: [[MUL:%[0-9]+]]:_(i64) = nsw G_MUL [[SEXT]], [[C]]
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; O3-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = nusw inbounds G_PTR_ADD [[COPY]], [[MUL]](i64)
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; O3-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
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; O3-NEXT: [[LOAD:%[0-9]+]]:_(i32) = G_LOAD [[COPY2]](p0) :: (load (i32) from %ir.gep1)
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; O3-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 4
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; O3-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = nuw nusw inbounds G_PTR_ADD [[PTR_ADD]], [[C1]](i64)
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; O3-NEXT: [[LOAD1:%[0-9]+]]:_(i32) = G_LOAD [[PTR_ADD1]](p0) :: (load (i32) from %ir.gep2)
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; O3-NEXT: [[ADD:%[0-9]+]]:_(i32) = G_ADD [[LOAD]], [[LOAD1]]
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; O3-NEXT: $w0 = COPY [[ADD]](i32)
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; O3-NEXT: RET_ReallyLR implicit $w0
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%sidx = sext i32 %idx to i64
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%gep1 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 0
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%v1 = load i32, ptr %gep1
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%gep2 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 1
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%v2 = load i32, ptr %gep2
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%res = add i32 %v1, %v2
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ret i32 %res
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}
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; OSS Fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65052
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define void @ossfuzz65052() {
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; O0-LABEL: name: ossfuzz65052
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; O0: bb.1 (%ir-block.0):
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; O0-NEXT: successors: %bb.2(0x80000000)
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; O0-NEXT: {{ $}}
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; O0-NEXT: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
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; O0-NEXT: [[C:%[0-9]+]]:_(i128) = G_CONSTANT i128 -170141183460469231731687303715884105728
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; O0-NEXT: [[TRUNC:%[0-9]+]]:_(i64) = G_TRUNC [[C]](i128)
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; O0-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 16
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; O0-NEXT: [[MUL:%[0-9]+]]:_(i64) = G_MUL [[TRUNC]], [[C1]]
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; O0-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[DEF]], [[MUL]](i64)
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; O0-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
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; O0-NEXT: G_BR %bb.2
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; O0-NEXT: {{ $}}
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; O0-NEXT: bb.2.BB:
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; O0-NEXT: successors: %bb.2(0x80000000)
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; O0-NEXT: {{ $}}
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; O0-NEXT: G_BR %bb.2
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;
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; O3-LABEL: name: ossfuzz65052
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; O3: bb.1 (%ir-block.0):
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; O3-NEXT: successors: %bb.2(0x80000000)
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; O3-NEXT: {{ $}}
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; O3-NEXT: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
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; O3-NEXT: [[C:%[0-9]+]]:_(i128) = G_CONSTANT i128 -170141183460469231731687303715884105728
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; O3-NEXT: [[TRUNC:%[0-9]+]]:_(i64) = G_TRUNC [[C]](i128)
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; O3-NEXT: [[C1:%[0-9]+]]:_(i64) = G_CONSTANT i64 16
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; O3-NEXT: [[MUL:%[0-9]+]]:_(i64) = G_MUL [[TRUNC]], [[C1]]
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; O3-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[DEF]], [[MUL]](i64)
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; O3-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
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; O3-NEXT: {{ $}}
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; O3-NEXT: bb.2.BB:
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; O3-NEXT: successors: %bb.2(0x80000000)
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; O3-NEXT: {{ $}}
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; O3-NEXT: G_BR %bb.2
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%G15 = getelementptr i128, ptr poison, i128 -170141183460469231731687303715884105728
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br label %BB
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BB: ; preds = %BB, %0
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br label %BB
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}
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