55 lines
1.7 KiB
LLVM
55 lines
1.7 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
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; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
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define dso_local i32 @main() #0 {
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%1 = alloca i32, align 4
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store i32 0, i32* %1, align 4
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%2 = call i32 @t32(i32 0)
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ret i32 %2
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}
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define internal i32 @t32(i32) #0 {
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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store i32 %0, i32* %3, align 4
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%4 = load i32, i32* %3, align 4
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callbr void asm sideeffect "testl $0, $0; jne ${1:l};", "r,X,X,~{dirflag},~{fpsr},~{flags}"(i32 %4, i8* blockaddress(@t32, %7), i8* blockaddress(@t32, %6)) #1
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to label %5 [label %7, label %6]
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; <label>:5: ; preds = %1
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store i32 0, i32* %2, align 4
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br label %8
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; <label>:6: ; preds = %1
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store i32 1, i32* %2, align 4
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br label %8
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; <label>:7: ; preds = %1
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store i32 2, i32* %2, align 4
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br label %8
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; <label>:8: ; preds = %7, %6, %5
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%9 = load i32, i32* %2, align 4
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ret i32 %9
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}
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; Check that @t32 no longer exists after inlining, as it has now been inlined
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; into @main.
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; CHECK-NOT: @t32
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; CHECK: define dso_local i32 @main
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; CHECK: callbr void asm sideeffect "testl $0, $0; jne ${1:l};", "r,X,X,~{dirflag},~{fpsr},~{flags}"(i32 %6, i8* blockaddress(@main, %9), i8* blockaddress(@main, %8))
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; CHECK: to label %7 [label %9, label %8]
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; CHECK: 7:
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; CHECK-NEXT: store i32 0, i32* %1, align 4
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; CHECK-NEXT: br label %t32.exit
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; CHECK: 8:
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; CHECK-NEXT: store i32 1, i32* %1, align 4
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; CHECK-NEXT: br label %t32.exit
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; CHECK: 9:
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; CHECK-NEXT: store i32 2, i32* %1, align 4
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; CHECK-NEXT: br label %t32.exit
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; CHECK: t32.exit:
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; CHECK-NEXT: %10 = load i32, i32* %1, align 4
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; CHECK: ret i32 %10
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