57 lines
1.6 KiB
LLVM
57 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s
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@a = internal global i32 0, align 4
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@c = internal global ptr @b, align 8
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@b = internal global ptr null, align 8
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@e = internal global ptr @d, align 8
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@d = internal global i32 0, align 4
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define i32 @main() {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr @e, align 8
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; CHECK-NEXT: store i32 0, ptr [[TMP0]], align 4
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; CHECK-NEXT: store ptr null, ptr @e, align 8
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; CHECK-NEXT: ret i32 0
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;
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entry:
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%h = alloca ptr, align 8
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%i = alloca ptr, align 8
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%j = alloca ptr, align 8
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store ptr @a, ptr %h, align 8
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store ptr @a, ptr %j, align 8
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%0 = load ptr, ptr %j, align 8
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store i32 1, ptr %0, align 4
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store ptr @a, ptr %i, align 8
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%1 = load ptr, ptr %i, align 8
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%2 = load ptr, ptr @c, align 8
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store ptr %1, ptr %2, align 8
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%3 = load ptr, ptr %h, align 8
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%call = call ptr @bar(ptr %3)
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ret i32 0
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}
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define internal ptr @bar(ptr %g) {
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entry:
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%g.addr = alloca ptr, align 8
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store ptr %g, ptr %g.addr, align 8
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%0 = load ptr, ptr @e, align 8
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store i32 0, ptr %0, align 4
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%1 = load ptr, ptr %g.addr, align 8
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%2 = load i32, ptr %1, align 4
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%tobool = icmp ne i32 %2, 0
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br i1 %tobool, label %if.end, label %if.then
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if.then: ; preds = %entry
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call void @foo()
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br label %if.end
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if.end: ; preds = %if.then, %entry
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store ptr null, ptr @e, align 8
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%3 = load ptr, ptr @b, align 8
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ret ptr %3
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}
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declare void @foo()
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