Speculatively revert "DeadStoreElimination can now trim the size of a store if

the end of it is dead.", which appears to break bootstrapping LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143668 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 78 deletions

diff --git a/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll b/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll
deleted file mode 100644
index 828ccc57a4..0000000000
--- a/test/Transforms/DeadStoreElimination/OverwriteStoreEnd.ll
+++ /dev/null
@@ -1,78 +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 @write24to28(i32* nocapture %p) nounwind uwtable ssp {
-; CHECK: @write24to28
-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 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 7
-  store i32 1, i32* %arrayidx1, align 4
-  ret void
-}
-
-define void @write28to32(i32* nocapture %p) nounwind uwtable ssp {
-; CHECK: @write28to32
-entry:
-  %p3 = bitcast i32* %p 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 32, i32 4, i1 false)
-  %arrayidx1 = getelementptr inbounds i32* %p, i64 7
-  store i32 1, i32* %arrayidx1, align 4
-  ret void
-}
-
-define void @dontwrite28to32memset(i32* nocapture %p) nounwind uwtable ssp {
-; CHECK: @dontwrite28to32memset
-entry:
-  %p3 = bitcast i32* %p to i8*
-; CHECK: call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 32, i32 16, i1 false)
-  call void @llvm.memset.p0i8.i64(i8* %p3, i8 0, i64 32, i32 16, i1 false)
-  %arrayidx1 = getelementptr inbounds i32* %p, i64 7
-  store i32 1, i32* %arrayidx1, align 4
-  ret void
-}
-
-define void @write32to36(%struct.vec2plusi* nocapture %p) nounwind uwtable ssp {
-; CHECK: @write32to36
-entry:
-  %0 = bitcast %struct.vec2plusi* %p to i8*
-; CHECK: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2plusi* @glob2 to i8*), i64 32, i32 16, i1 false)
-  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2plusi* @glob2 to i8*), i64 36, i32 16, i1 false)
-  %c = getelementptr inbounds %struct.vec2plusi* %p, i64 0, i32 2
-  store i32 1, i32* %c, align 4
-  ret void
-}
-
-define void @write16to32(%struct.vec2* nocapture %p) nounwind uwtable ssp {
-; CHECK: @write16to32
-entry:
-  %0 = bitcast %struct.vec2* %p to i8*
-; CHECK: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2* @glob1 to i8*), i64 16, i32 16, i1 false)
-  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 16, i1 false)
-  %c = getelementptr inbounds %struct.vec2* %p, i64 0, i32 1
-  store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* %c, align 4
-  ret void
-}
-
-define void @dontwrite28to32memcpy(%struct.vec2* nocapture %p) nounwind uwtable ssp {
-; CHECK: @dontwrite28to32memcpy
-entry:
-  %0 = bitcast %struct.vec2* %p to i8*
-; CHECK: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 16, i1 false)
-  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.vec2* @glob1 to i8*), i64 32, i32 16, i1 false)
-  %arrayidx1 = getelementptr inbounds %struct.vec2* %p, i64 0, i32 0, i64 7
-  store i32 1, i32* %arrayidx1, align 4
-  ret void
-}
-
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
-declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind