32 lines
479 B
LLVM
32 lines
479 B
LLVM
; RUN: opt -gvn-hoist -S < %s | FileCheck %s
|
|
|
|
; CHECK: store
|
|
; CHECK-NOT: store
|
|
|
|
; Check that an instruction can be hoisted to a basic block
|
|
; with more than two successors.
|
|
|
|
@G = external global i32, align 4
|
|
|
|
define void @foo(i32 %c1) {
|
|
entry:
|
|
switch i32 %c1, label %exit1 [
|
|
i32 0, label %sw0
|
|
i32 1, label %sw1
|
|
]
|
|
|
|
sw0:
|
|
store i32 1, i32* @G
|
|
br label %exit
|
|
|
|
sw1:
|
|
store i32 1, i32* @G
|
|
br label %exit
|
|
|
|
exit1:
|
|
store i32 1, i32* @G
|
|
ret void
|
|
exit:
|
|
ret void
|
|
}
|