1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -memcpyopt -S -verify-memoryssa | FileCheck %s
4 ; Test memcpy-memcpy dependencies across invoke edges.
6 ; Test that memcpyopt works across the non-unwind edge of an invoke.
8 define hidden void @test_normal(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
9 ; CHECK-LABEL: @test_normal(
11 ; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
12 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
13 ; CHECK-NEXT: invoke void @invoke_me()
14 ; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
16 ; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
17 ; CHECK-NEXT: catch i8* null
18 ; CHECK-NEXT: ret void
20 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[SRC]], i64 64, i1 false)
21 ; CHECK-NEXT: ret void
24 %temp = alloca i8, i32 64
25 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false)
26 invoke void @invoke_me()
27 to label %try.cont unwind label %lpad
30 landingpad { i8*, i32 }
35 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false)
39 ; Test that memcpyopt works across the unwind edge of an invoke.
41 define hidden void @test_unwind(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
42 ; CHECK-LABEL: @test_unwind(
44 ; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1
45 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false)
46 ; CHECK-NEXT: invoke void @invoke_me()
47 ; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]]
49 ; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 }
50 ; CHECK-NEXT: catch i8* null
51 ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[SRC]], i64 64, i1 false)
52 ; CHECK-NEXT: ret void
54 ; CHECK-NEXT: ret void
57 %temp = alloca i8, i32 64
58 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false)
59 invoke void @invoke_me()
60 to label %try.cont unwind label %lpad
63 landingpad { i8*, i32 }
65 call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false)
72 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
73 declare i32 @__gxx_personality_v0(...)
74 declare void @invoke_me() readnone