56 lines
1.8 KiB
LLVM
56 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -passes=newgvn -S < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
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target triple = "x86_64-unknown-linux-gnu"
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define void @f0(i1 %alwaysFalse, i64 %val, ptr %loc) {
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; CHECK-LABEL: define void @f0(
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; CHECK-SAME: i1 [[ALWAYSFALSE:%.*]], i64 [[VAL:%.*]], ptr [[LOC:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i64 [[VAL]], ptr [[LOC]], align 8
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; CHECK-NEXT: br i1 [[ALWAYSFALSE]], label [[NEVERTAKEN:%.*]], label [[ALWAYSTAKEN:%.*]]
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; CHECK: neverTaken:
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; CHECK-NEXT: [[PTR:%.*]] = load ptr addrspace(4), ptr [[LOC]], align 8
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; CHECK-NEXT: store i8 5, ptr addrspace(4) [[PTR]], align 1
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; CHECK-NEXT: ret void
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; CHECK: alwaysTaken:
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; CHECK-NEXT: ret void
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;
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entry:
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store i64 %val, ptr %loc
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br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
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neverTaken:
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%ptr = load ptr addrspace(4), ptr %loc
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store i8 5, ptr addrspace(4) %ptr
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ret void
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alwaysTaken:
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ret void
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}
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define i64 @f1(i1 %alwaysFalse, ptr addrspace(4) %val, ptr %loc) {
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; CHECK-LABEL: define i64 @f1(
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; CHECK-SAME: i1 [[ALWAYSFALSE:%.*]], ptr addrspace(4) [[VAL:%.*]], ptr [[LOC:%.*]]) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store ptr addrspace(4) [[VAL]], ptr [[LOC]], align 8
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; CHECK-NEXT: br i1 [[ALWAYSFALSE]], label [[NEVERTAKEN:%.*]], label [[ALWAYSTAKEN:%.*]]
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; CHECK: neverTaken:
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; CHECK-NEXT: [[INT:%.*]] = load i64, ptr [[LOC]], align 8
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; CHECK-NEXT: ret i64 [[INT]]
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; CHECK: alwaysTaken:
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; CHECK-NEXT: ret i64 42
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;
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entry:
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store ptr addrspace(4) %val, ptr %loc
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br i1 %alwaysFalse, label %neverTaken, label %alwaysTaken
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neverTaken:
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%int = load i64, ptr %loc
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ret i64 %int
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alwaysTaken:
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ret i64 42
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}
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