mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 04:52:54 +02:00
e71a34b01d
Blocks may have function calls, so don’t erase functions directly to avoid erasing a function that has a user. llvm-svn: 327340
44 lines
978 B
LLVM
44 lines
978 B
LLVM
; 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
|
|
}
|
|
|