41 lines
632 B
LLVM
41 lines
632 B
LLVM
; RUN: opt < %s -gvn-hoist -S | FileCheck %s
|
|
|
|
define void @func() {
|
|
; CHECK-LABEL: @func()
|
|
; CHECK: bb6:
|
|
; CHECK: store i64 0, i64* undef, align 8
|
|
; CHECK: bb7:
|
|
; CHECK-NOT: store i64 0, i64* undef, align 8
|
|
; CHECK: bb8:
|
|
; CHECK-NOT: store i64 0, i64* undef, align 8
|
|
|
|
entry:
|
|
br label %bb1
|
|
|
|
bb1:
|
|
br label %bb2
|
|
|
|
bb2:
|
|
br label %bb3
|
|
|
|
bb3:
|
|
br i1 undef, label %bb4, label %bb2
|
|
|
|
bb4:
|
|
br i1 undef, label %bb5, label %bb3
|
|
|
|
bb5:
|
|
br label %bb6
|
|
|
|
bb6:
|
|
br i1 undef, label %bb7, label %bb8
|
|
|
|
bb7:
|
|
store i64 0, i64* undef, align 8
|
|
unreachable
|
|
|
|
bb8:
|
|
store i64 0, i64* undef, align 8
|
|
ret void
|
|
}
|