69 lines
2.7 KiB
LLVM
69 lines
2.7 KiB
LLVM
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; RUN: opt -S -newgvn %s | FileCheck %s
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; CHECK: define void @tinkywinky() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %d = alloca i32, align 4
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; CHECK-NEXT: store i32 0, i32* null, align 4
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; CHECK-NEXT: br label %for.cond
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; CHECK: for.cond: ; preds = %if.end, %entry
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; CHECK-NEXT: %0 = load i32, i32* null, align 4
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; CHECK-NEXT: %cmp = icmp slt i32 %0, 1
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; CHECK-NEXT: br i1 %cmp, label %for.body, label %while.cond
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; CHECK: for.body: ; preds = %for.cond
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; CHECK-NEXT: %1 = load i32, i32* @a, align 4
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; CHECK-NEXT: store i32 %1, i32* %d, align 4
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; CHECK-NEXT: br label %L
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; CHECK: L: ; preds = %if.then, %for.body
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; CHECK-NEXT: %tobool = icmp ne i32 %1, 0
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; CHECK-NEXT: br i1 %tobool, label %if.then, label %if.end
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; CHECK: if.then: ; preds = %L
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; CHECK-NEXT: call void (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @patatino, i32 0, i32 0))
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; CHECK-NEXT: br label %L
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; CHECK: if.end: ; preds = %L
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; CHECK-NEXT: br label %for.cond
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; CHECK: while.cond: ; preds = %while.body, %for.cond
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; CHECK-NEXT: br i1 undef, label %while.body, label %while.end
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; CHECK: while.body: ; preds = %while.cond
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; CHECK-NEXT: call void (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @patatino, i32 0, i32 0))
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; CHECK-NEXT: br label %while.cond
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; CHECK: while.end:
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; CHECK-NEXT: %2 = load i32, i32* @a, align 4
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; CHECK-NEXT: store i32 %2, i32* undef, align 4
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; CHECK-NEXT: ret void
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@a = external global i32, align 4
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@patatino = external unnamed_addr constant [2 x i8], align 1
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define void @tinkywinky() {
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entry:
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%d = alloca i32, align 4
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store i32 0, i32* null, align 4
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br label %for.cond
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for.cond:
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%0 = load i32, i32* null, align 4
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%cmp = icmp slt i32 %0, 1
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br i1 %cmp, label %for.body, label %while.cond
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for.body:
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%1 = load i32, i32* @a, align 4
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store i32 %1, i32* %d, align 4
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br label %L
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L:
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%2 = load i32, i32* %d, align 4
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%tobool = icmp ne i32 %2, 0
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br i1 %tobool, label %if.then, label %if.end
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if.then:
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call void (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @patatino, i32 0, i32 0))
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br label %L
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if.end:
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br label %for.cond
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while.cond:
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br i1 undef, label %while.body, label %while.end
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while.body:
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call void (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @patatino, i32 0, i32 0))
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br label %while.cond
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while.end:
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%3 = load i32, i32* @a, align 4
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store i32 %3, i32* undef, align 4
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ret void
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}
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declare void @printf(i8*, ...) #1
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