46 lines
1.3 KiB
LLVM
46 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=globalopt -S < %s | FileCheck %s
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@g = internal global ptr null, align 8
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define signext i32 @f() local_unnamed_addr {
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; CHECK-LABEL: @f(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i16 -1, ptr @g.body, align 2
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%call = call ptr @malloc(i64 4)
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store ptr %call, ptr @g, align 8
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store i16 -1, ptr %call
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ret i32 0
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}
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define signext i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL:%.*]] = call signext i32 @f()
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; CHECK-NEXT: call void @f1()
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; CHECK-NEXT: store i32 1, ptr @g.body, align 4
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; CHECK-NEXT: call void @f1()
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; CHECK-NEXT: store i8 2, ptr @g.body, align 4
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; CHECK-NEXT: call void @f1()
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; CHECK-NEXT: [[RES:%.*]] = load i32, ptr @g.body, align 4
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; CHECK-NEXT: ret i32 [[RES]]
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;
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entry:
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%call = call signext i32 @f()
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call void @f1()
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%v0 = load ptr, ptr @g, align 8
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store i32 1, ptr %v0, align 4
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call void @f1()
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%v1 = load ptr, ptr @g, align 8
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store i8 2, ptr %v1, align 4
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call void @f1()
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%v2 = load ptr, ptr @g, align 8
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%res = load i32, ptr %v2, align 4
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ret i32 %res
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}
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declare noalias align 16 ptr @malloc(i64) allockind("alloc,uninitialized") allocsize(0)
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declare void @f1()
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