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[TTI/CostModel] Correct the way getGEPCost() calls isLegalAddressingMode()
Fix a bug when we call isLegalAddressingMode() from getGEPCost(). Differential Revision: https://reviews.llvm.org/D27357 llvm-svn: 288569
This commit is contained in:
Haicheng Wu
parent
8568d8ea25
commit
c157a2a55a
@ -483,7 +483,9 @@ public:
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int64_t Scale = 0;
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auto GTI = gep_type_begin(PointeeType, Operands);
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Type *TargetType;
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for (auto I = Operands.begin(); I != Operands.end(); ++I, ++GTI) {
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TargetType = GTI.getIndexedType();
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// We assume that the cost of Scalar GEP with constant index and the
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// cost of Vector GEP with splat constant index are the same.
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const ConstantInt *ConstIdx = dyn_cast<ConstantInt>(*I);
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@ -513,11 +515,9 @@ public:
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unsigned AS =
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(Ptr == nullptr ? 0 : Ptr->getType()->getPointerAddressSpace());
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if (static_cast<T *>(this)->isLegalAddressingMode(
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PointerType::get(Type::getInt8Ty(PointeeType->getContext()), AS),
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const_cast<GlobalValue *>(BaseGV),
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BaseOffset, HasBaseReg, Scale, AS)) {
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TargetType, const_cast<GlobalValue *>(BaseGV), BaseOffset,
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HasBaseReg, Scale, AS))
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return TTI::TCC_Free;
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}
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return TTI::TCC_Basic;
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}
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196
test/Analysis/CostModel/AArch64/gep.ll
Normal file
196
test/Analysis/CostModel/AArch64/gep.ll
Normal file
@ -0,0 +1,196 @@
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; RUN: opt -cost-model -analyze -mtriple=aarch64--linux-gnu -mcpu=kryo < %s | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-gnu"
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define i8 @test1(i8* %p, i32 %i) {
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; CHECK-LABEL: test1
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 0
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test2(i16* %p, i32 %i) {
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; CHECK-LABEL: test2
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 0
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test3(i32* %p, i32 %i) {
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; CHECK-LABEL: test3
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 0
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test4(i64* %p, i32 %i) {
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; CHECK-LABEL: test4
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 0
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%v = load i64, i64* %a
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ret i64 %v
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}
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define i8 @test5(i8* %p, i32 %i) {
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; CHECK-LABEL: test5
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 1024
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test6(i16* %p, i32 %i) {
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; CHECK-LABEL: test6
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 1024
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test7(i32* %p, i32 %i) {
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; CHECK-LABEL: test7
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 1024
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test8(i64* %p, i32 %i) {
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; CHECK-LABEL: test8
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 1024
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%v = load i64, i64* %a
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ret i64 %v
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}
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define i8 @test9(i8* %p, i32 %i) {
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; CHECK-LABEL: test9
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 4096
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test10(i16* %p, i32 %i) {
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; CHECK-LABEL: test10
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 4096
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test11(i32* %p, i32 %i) {
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; CHECK-LABEL: test11
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 4096
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test12(i64* %p, i32 %i) {
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; CHECK-LABEL: test12
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 4096
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%v = load i64, i64* %a
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ret i64 %v
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}
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define i8 @test13(i8* %p, i32 %i) {
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; CHECK-LABEL: test13
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 -64
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test14(i16* %p, i32 %i) {
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; CHECK-LABEL: test14
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 -64
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test15(i32* %p, i32 %i) {
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; CHECK-LABEL: test15
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 -64
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test16(i64* %p, i32 %i) {
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; CHECK-LABEL: test16
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 -64
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%v = load i64, i64* %a
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ret i64 %v
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}
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define i8 @test17(i8* %p, i32 %i) {
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; CHECK-LABEL: test17
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 -1024
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test18(i16* %p, i32 %i) {
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; CHECK-LABEL: test18
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 -1024
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test19(i32* %p, i32 %i) {
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; CHECK-LABEL: test19
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 -1024
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test20(i64* %p, i32 %i) {
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; CHECK-LABEL: test20
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; CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 -1024
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%v = load i64, i64* %a
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ret i64 %v
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}
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define i8 @test21(i8* %p, i32 %i) {
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; CHECK-LABEL: test21
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
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%a = getelementptr inbounds i8, i8* %p, i32 %i
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%v = load i8, i8* %a
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ret i8 %v
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}
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define i16 @test22(i16* %p, i32 %i) {
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; CHECK-LABEL: test22
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i16, i16*
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%a = getelementptr inbounds i16, i16* %p, i32 %i
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%v = load i16, i16* %a
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ret i16 %v
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}
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define i32 @test23(i32* %p, i32 %i) {
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; CHECK-LABEL: test23
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%a = getelementptr inbounds i32, i32* %p, i32 %i
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%v = load i32, i32* %a
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ret i32 %v
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}
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define i64 @test24(i64* %p, i32 %i) {
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; CHECK-LABEL: test24
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; CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%a = getelementptr inbounds i64, i64* %p, i32 %i
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%v = load i64, i64* %a
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ret i64 %v
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}
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@ -44,17 +44,17 @@ define void @test_geps(i32 %i) {
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%b4 = getelementptr inbounds float, float* undef, i32 1024
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds double, double*
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%b5 = getelementptr inbounds double, double* undef, i32 1024
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
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%b7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
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%b8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
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%b9 = getelementptr inbounds <4 x i32>, <4 x i32>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i64>, <4 x i64>*
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%b10 = getelementptr inbounds <4 x i64>, <4 x i64>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x float>, <4 x float>*
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%b11 = getelementptr inbounds <4 x float>, <4 x float>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x double>, <4 x double>*
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%b12 = getelementptr inbounds <4 x double>, <4 x double>* undef, i32 1
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i8, i8*
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@ -63,15 +63,15 @@ define void @test_geps(i32 %i) {
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%c1 = getelementptr inbounds i16, i16* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i32, i32*
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%c2 = getelementptr inbounds i32, i32* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds i64, i64*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds i64, i64*
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%c3 = getelementptr inbounds i64, i64* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds float, float*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds float, float*
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%c4 = getelementptr inbounds float, float* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds double, double*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds double, double*
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%c5 = getelementptr inbounds double, double* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i8>, <4 x i8>*
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%c7 = getelementptr inbounds <4 x i8>, <4 x i8>* undef, i32 %i
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;CHECK: cost of 0 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i16>, <4 x i16>*
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%c8 = getelementptr inbounds <4 x i16>, <4 x i16>* undef, i32 %i
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; Thumb-2 cannot fold scales larger than 8 to address computation.
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;CHECK: cost of 1 for instruction: {{.*}} getelementptr inbounds <4 x i32>, <4 x i32>*
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