diff options
author | Daniel Neilson <dneilson@azul.com> | 2018-01-28 17:27:45 +0000 |
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committer | Daniel Neilson <dneilson@azul.com> | 2018-01-28 17:27:45 +0000 |
commit | 09aa26c22dcad5968beaafbe44d017a6780e13c5 (patch) | |
tree | d5a55f0cfccc754ea5745d4f27d96a66e6bbca5c /test/CodeGenCXX/alignment.cpp | |
parent | 72313cafabe80337ea65eb3115017509e0f655fd (diff) |
Change memcpy/memove/memset to have dest and source alignment attributes.
Summary:
This change is step three in the series of changes to remove alignment argument from
memcpy/memmove/memset in favour of alignment attributes. Steps:
Step 1) Remove alignment parameter and create alignment parameter attributes for
memcpy/memmove/memset. ( rL322965, rC322964, rL322963 )
Step 2) Expand the IRBuilder API to allow creation of memcpy/memmove with differing
source and dest alignments. ( rL323597 )
Step 3) Update Clang to use the new IRBuilder API.
Step 4) Update Polly to use the new IRBuilder API.
Step 5) Update LLVM passes that create memcpy/memmove calls to use the new IRBuilder API,
and those that use use MemIntrinsicInst::[get|set]Alignment() to use getDestAlignment()
and getSourceAlignment() instead.
Step 6) Remove the single-alignment IRBuilder API for memcpy/memmove, and the
MemIntrinsicInst::[get|set]Alignment() methods.
Reference
http://lists.llvm.org/pipermail/llvm-dev/2015-August/089384.html
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20151109/312083.html
Reviewers: rjmccall
Subscribers: jyknight, nemanjai, nhaehnle, javed.absar, sbc100, aheejin, kbarton, fedor.sergeev, cfe-commits
Differential Revision: https://reviews.llvm.org/D41677
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@323617 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/alignment.cpp')
-rw-r--r-- | test/CodeGenCXX/alignment.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/test/CodeGenCXX/alignment.cpp b/test/CodeGenCXX/alignment.cpp index 7c5acd6e34..49cb34402c 100644 --- a/test/CodeGenCXX/alignment.cpp +++ b/test/CodeGenCXX/alignment.cpp @@ -204,7 +204,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A_P]], i32 0, i32 0 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) AlignedArray result = a.aArray; } @@ -223,7 +223,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A_P]], i32 0, i32 0 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) AlignedArray result = b.aArray; } @@ -234,7 +234,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[B]], [[B]]* [[B_P]], i32 0, i32 2 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) AlignedArray result = b.bArray; } @@ -245,7 +245,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[B]], [[B]]* [[B_P]], i32 0, i32 2 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) AlignedArray result = b->bArray; } @@ -256,7 +256,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[B]], [[B]]* [[B_P]], i32 0, i32 2 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) B b; AlignedArray result = b.bArray; } @@ -277,7 +277,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[A]], [[A]]* [[A_P]], i32 0, i32 0 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 16 [[T1]], i64 16, i1 false) D d; AlignedArray result = d.aArray; } @@ -292,7 +292,7 @@ namespace test1 { // CHECK: [[ARRAY_P:%.*]] = getelementptr inbounds [[B]], [[B]]* [[B_P]], i32 0, i32 2 // CHECK: [[T0:%.*]] = bitcast [[ARRAY]]* [[RESULT]] to i8* // CHECK: [[T1:%.*]] = bitcast [[ARRAY]]* [[ARRAY_P]] to i8* - // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) + // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 64 [[T0]], i8* align 8 [[T1]], i64 16, i1 false) D d; AlignedArray result = d.bArray; } |