You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
713 B
27 lines
713 B
; RUN: opt -mem2reg -S -o - < %s | FileCheck %s
|
|
|
|
declare void @llvm.lifetime.start(i64 %size, i8* nocapture %ptr)
|
|
declare void @llvm.lifetime.end(i64 %size, i8* nocapture %ptr)
|
|
|
|
define void @test1() {
|
|
; CHECK: test1
|
|
; CHECK-NOT: alloca
|
|
%A = alloca i32
|
|
%B = bitcast i32* %A to i8*
|
|
call void @llvm.lifetime.start(i64 2, i8* %B)
|
|
store i32 1, i32* %A
|
|
call void @llvm.lifetime.end(i64 2, i8* %B)
|
|
ret void
|
|
}
|
|
|
|
define void @test2() {
|
|
; CHECK: test2
|
|
; CHECK-NOT: alloca
|
|
%A = alloca {i8, i16}
|
|
%B = getelementptr {i8, i16}, {i8, i16}* %A, i32 0, i32 0
|
|
call void @llvm.lifetime.start(i64 2, i8* %B)
|
|
store {i8, i16} zeroinitializer, {i8, i16}* %A
|
|
call void @llvm.lifetime.end(i64 2, i8* %B)
|
|
ret void
|
|
}
|