diff options
| author | Pete Cooper <peter_cooper@apple.com> | 2012-02-28 05:06:24 +0000 |
|---|---|---|
| committer | Pete Cooper <peter_cooper@apple.com> | 2012-02-28 05:06:24 +0000 |
| commit | 9e1154cf5b268b1036ad7611cd249647a76efb49 (patch) | |
| tree | 792386560d893438ba5d6e906774e7f74bf88ace /test/Transforms/DeadStoreElimination | |
| parent | a116623e06d0cf833cbefd4921dbca8581f1c806 (diff) | |
| download | llvm-9e1154cf5b268b1036ad7611cd249647a76efb49.tar.gz llvm-9e1154cf5b268b1036ad7611cd249647a76efb49.tar.bz2 llvm-9e1154cf5b268b1036ad7611cd249647a76efb49.tar.xz | |
Reverted r152620 - DSE: Shorten memset when a later store overwrites the start of it. There were all sorts of buildbot issues
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151621 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/DeadStoreElimination')
| -rw-r--r-- | test/Transforms/DeadStoreElimination/OverwriteStoreStart.ll | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/test/Transforms/DeadStoreElimination/OverwriteStoreStart.ll b/test/Transforms/DeadStoreElimination/OverwriteStoreStart.ll deleted file mode 100644 index 56ba3f4927..0000000000 --- a/test/Transforms/DeadStoreElimination/OverwriteStoreStart.ll +++ /dev/null @@ -1,71 +0,0 @@ -; RUN: opt < %s -basicaa -dse -S | FileCheck %s -target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" - -%struct.vec2 = type { <4 x i32>, <4 x i32> } -%struct.vec2plusi = type { <4 x i32>, <4 x i32>, i32 } - -@glob1 = global %struct.vec2 zeroinitializer, align 16 -@glob2 = global %struct.vec2plusi zeroinitializer, align 16 - -define void @write4to8(i32* nocapture %p) nounwind uwtable ssp { -; CHECK: @write4to8 -entry: - %arrayidx0 = getelementptr inbounds i32* %p, i64 1 - %p3 = bitcast i32* %arrayidx0 to i8* -; CHECK: call void @llvm.memset.p0i8.i64(i8* %{{[0-9]+}}, i8 0, i64 24, i32 4, i1 false) - call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) - %arrayidx1 = getelementptr inbounds i32* %p, i64 1 - store i32 1, i32* %arrayidx1, align 4 - ret void -} - -define void @write4to12(i32* nocapture %p) nounwind uwtable ssp { -; CHECK: @write4to12 -entry: -%arrayidx0 = getelementptr inbounds i32* %p, i64 1 -%p3 = bitcast i32* %arrayidx0 to i8* -; CHECK: call void @llvm.memset.p0i8.i64(i8* %{{[0-9]+}}, i8 0, i64 20, i32 4, i1 false) -call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) -%arrayidx1 = bitcast i32* %arrayidx0 to i64* -store i64 1, i64* %arrayidx1, align 4 -ret void -} - -define void @write4to8_2(i32* nocapture %p) nounwind uwtable ssp { -; CHECK: @write4to8_2 -entry: -%arrayidx0 = getelementptr inbounds i32* %p, i64 1 -%p3 = bitcast i32* %arrayidx0 to i8* -; CHECK: call void @llvm.memset.p0i8.i64(i8* %{{[0-9]+}}, i8 0, i64 24, i32 4, i1 false) -call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) -%arrayidx1 = bitcast i32* %p to i64* -store i64 1, i64* %arrayidx1, align 4 -ret void -} - -define void @dontwrite4to6(i32* nocapture %p) nounwind uwtable ssp { -; CHECK: @dontwrite4to6 -entry: -%arrayidx0 = getelementptr inbounds i32* %p, i64 1 -%p3 = bitcast i32* %arrayidx0 to i8* -; CHECK: call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) -call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) -%arrayidx1 = bitcast i32* %arrayidx0 to i16* -store i16 1, i16* %arrayidx1, align 4 -ret void -} - -define void @write4to8_neg_gep(i32* nocapture %p) nounwind uwtable ssp { -; CHECK: @write4to8_neg_gep -entry: -%arrayidx0 = getelementptr inbounds i32* %p, i64 -1 -%p3 = bitcast i32* %arrayidx0 to i8* -; CHECK: call void @llvm.memset.p0i8.i64(i8* %{{[0-9]+}}, i8 0, i64 24, i32 4, i1 false) -call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 28, i32 4, i1 false) -%neg2 = getelementptr inbounds i32* %p, i64 -2 -%arrayidx1 = bitcast i32* %neg2 to i64* -store i64 1, i64* %arrayidx1, align 4 -ret void -} - -declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |