44 lines
1.5 KiB
LLVM
44 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -S -passes=licm < %s | FileCheck %s
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define void @test(i1 %c, i8 %x) {
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; CHECK-LABEL: define void @test(
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; CHECK-SAME: i1 [[C:%.*]], i8 [[X:%.*]]) {
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; CHECK-NEXT: start:
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; CHECK-NEXT: [[A:%.*]] = alloca [16 x i8], align 8
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; CHECK-NEXT: [[P:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 8
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; CHECK-NEXT: [[P_COPY:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 8
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; CHECK-NEXT: [[P2:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 12
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: store i32 286331153, ptr [[P]], align 4
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; CHECK-NEXT: store i32 34, ptr [[P_COPY]], align 4
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; CHECK-NEXT: store i64 3689348814741910323, ptr [[P_COPY]], align 4
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; CHECK-NEXT: [[VAL:%.*]] = load i8, ptr [[P2]], align 1
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; CHECK-NEXT: call void @use(i8 [[VAL]])
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; CHECK-NEXT: store i8 0, ptr [[P2]], align 1
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; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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start:
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%a = alloca [16 x i8], align 8
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%p = getelementptr inbounds i8, ptr %a, i64 8
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%p.copy = getelementptr inbounds i8, ptr %a, i64 8
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%p2 = getelementptr inbounds i8, ptr %a, i64 12
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br label %loop
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loop:
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store i32 u0x11111111, ptr %p
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store i32 u0x22, ptr %p.copy
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store i64 u0x3333333333333333, ptr %p.copy
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%val = load i8, ptr %p2
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call void @use(i8 %val)
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store i8 0, ptr %p2
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br i1 %c, label %loop, label %exit
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exit:
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ret void
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}
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declare void @use(i8)
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