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raw | patch | inline | side by side (parent: 1214e71)
author | Matt Arsenault <Matthew.Arsenault@amd.com> | |
Wed, 22 Jan 2014 21:53:19 +0000 (21:53 +0000) | ||
committer | Matt Arsenault <Matthew.Arsenault@amd.com> | |
Wed, 22 Jan 2014 21:53:19 +0000 (21:53 +0000) |
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199836 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/MemCpyOptimizer.cpp | patch | blob | history | |
test/Transforms/MemCpyOpt/memcpy.ll | patch | blob | history |
index 58f8dbd6e3f2da1daf95db69c10a7b4c9e7d434f..ea9f57c9ff220d0847995e82d83e749bb12821bc 100644 (file)
while (!srcUseList.empty()) {
User *UI = srcUseList.pop_back_val();
- if (isa<BitCastInst>(UI)) {
+ if (isa<BitCastInst>(UI) || isa<AddrSpaceCastInst>(UI)) {
for (User::use_iterator I = UI->use_begin(), E = UI->use_end();
I != E; ++I)
srcUseList.push_back(*I);
index 2417cd11f7ff630400b85c99e64f46d6ed8dacd2..492c453932c3fe70100a424f84ad7dbf5ecd1ddb 100644 (file)
declare void @test4a(i8* align 1 byval)
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
+declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace(1)* nocapture, i64, i32, i1) nounwind
%struct.S = type { i128, [4 x i8]}
; rdar://11341081
%struct.big = type { [50 x i32] }
+define void @test9_addrspacecast() nounwind ssp uwtable {
+entry:
+; CHECK-LABEL: @test9_addrspacecast(
+; CHECK: f1
+; CHECK-NOT: memcpy
+; CHECK: f2
+ %b = alloca %struct.big, align 4
+ %tmp = alloca %struct.big, align 4
+ call void @f1(%struct.big* sret %tmp)
+ %0 = addrspacecast %struct.big* %b to i8 addrspace(1)*
+ %1 = addrspacecast %struct.big* %tmp to i8 addrspace(1)*
+ call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %0, i8 addrspace(1)* %1, i64 200, i32 4, i1 false)
+ call void @f2(%struct.big* %b)
+ ret void
+}
+
define void @test9() nounwind ssp uwtable {
entry:
; CHECK: test9