extract-block.ll
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; RUN: llvm-extract -S -bb foo:bb4 %s | FileCheck %s
; CHECK: declare void @bar()
define void @bar() {
bb:
ret void
}
; CHECK-NOT: @unused()
define void @unused() {
bb:
ret void
}
; CHECK: @foo.bb4
; CHECK: call void @bar()
; CHECK: %tmp5
define i32 @foo(i32 %arg) {
bb:
%tmp = alloca i32, align 4
%tmp1 = alloca i32, align 4
store i32 %arg, i32* %tmp1, align 4
%tmp2 = load i32, i32* %tmp1, align 4
%tmp3 = icmp sgt i32 %tmp2, 0
br i1 %tmp3, label %bb4, label %bb7
bb4: ; preds = %bb
call void @bar()
%tmp5 = load i32, i32* %tmp1, align 4
%tmp6 = add nsw i32 %tmp5, 1
store i32 %tmp6, i32* %tmp1, align 4
store i32 %tmp6, i32* %tmp, align 4
br label %bb8
bb7: ; preds = %bb
store i32 0, i32* %tmp, align 4
br label %bb8
bb8: ; preds = %bb7, %bb4
%tmp9 = load i32, i32* %tmp, align 4
ret i32 %tmp9
}