forked from OSchip/llvm-project
49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
; RUN: opt < %s -memcpyopt -S | FileCheck %s
|
|
; Test memcpy-memcpy dependencies across invoke edges.
|
|
|
|
; Test that memcpyopt works across the non-unwind edge of an invoke.
|
|
|
|
define hidden void @test_normal(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
entry:
|
|
%temp = alloca i8, i32 64
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %temp, i8* nonnull %src, i64 64, i32 8, i1 false)
|
|
; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %temp, i8* nonnull %src, i64 64, i32 8, i1 false)
|
|
invoke void @invoke_me()
|
|
to label %try.cont unwind label %lpad
|
|
|
|
lpad:
|
|
landingpad { i8*, i32 }
|
|
catch i8* null
|
|
ret void
|
|
|
|
try.cont:
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %temp, i64 64, i32 8, i1 false)
|
|
; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 64, i32 8, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; Test that memcpyopt works across the unwind edge of an invoke.
|
|
|
|
define hidden void @test_unwind(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
|
|
entry:
|
|
%temp = alloca i8, i32 64
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %temp, i8* nonnull %src, i64 64, i32 8, i1 false)
|
|
; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %temp, i8* nonnull %src, i64 64, i32 8, i1 false)
|
|
invoke void @invoke_me()
|
|
to label %try.cont unwind label %lpad
|
|
|
|
lpad:
|
|
landingpad { i8*, i32 }
|
|
catch i8* null
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %temp, i64 64, i32 8, i1 false)
|
|
; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 64, i32 8, i1 false)
|
|
ret void
|
|
|
|
try.cont:
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1)
|
|
declare i32 @__gxx_personality_v0(...)
|
|
declare void @invoke_me() readnone
|