I already merged partial-overwrite.ll -> PartialStore.ll

Merge context-sensitive.ll -> simple.ll and upgrade it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120374 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/DeadStoreElimination/context-sensitive.ll b/test/Transforms/DeadStoreElimination/context-sensitive.ll
deleted file mode 100644 (file)
index 071d7e1..0000000
--- a/test/Transforms/DeadStoreElimination/context-sensitive.ll
+++ /dev/null
@@ -1,15 +0,0 @@
-; RUN: opt < %s -basicaa -dse -S | not grep DEAD
-target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
-
-declare void @ext()
-
-define i32* @caller() {
-        %P = malloc i32         ; <i32*> [#uses=4]
-        %DEAD = load i32* %P            ; <i32> [#uses=1]
-        %DEAD2 = add i32 %DEAD, 1               ; <i32> [#uses=1]
-        store i32 %DEAD2, i32* %P
-        call void @ext( )
-        store i32 0, i32* %P
-        ret i32* %P
-}
-

diff --git a/test/Transforms/DeadStoreElimination/partial-overwrite.ll b/test/Transforms/DeadStoreElimination/partial-overwrite.ll
deleted file mode 100644 (file)
index 048d464..0000000
--- a/test/Transforms/DeadStoreElimination/partial-overwrite.ll
+++ /dev/null
@@ -1,14 +0,0 @@
-; RUN: opt -dse -S %s | FileCheck %s
-; Note that we could do better by merging the two stores into one.
-
-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"
-target triple = "x86_64-unknown-linux-gnu"
-
-define void @test(i32* %P) {
-  store i32 0, i32* %P
-; CHECK: store i32
-  %Q = bitcast i32* %P to i16*
-  store i16 1, i16* %Q
-; CHECK: store i16
-  ret void
-}

diff --git a/test/Transforms/DeadStoreElimination/simple.ll b/test/Transforms/DeadStoreElimination/simple.ll
index 2f45a3e92363a0917a3f440148cb787cf0188824..abaff304f62f624c7028dd6c8f3ae0fb35f0abdb 100644 (file)
--- a/test/Transforms/DeadStoreElimination/simple.ll
+++ b/test/Transforms/DeadStoreElimination/simple.ll
@@ -145,3 +145,23 @@ define void @test12({ i32, i32 }* %x) nounwind  {
 ; CHECK: ret void
 }
 
+
+; %P doesn't escape, the DEAD instructions should be removed.
+declare void @test13f()
+define i32* @test13() {
+        %p = tail call i8* @malloc(i32 4)
+        %P = bitcast i8* %p to i32*
+        %DEAD = load i32* %P
+        %DEAD2 = add i32 %DEAD, 1
+        store i32 %DEAD2, i32* %P
+        call void @test13f( )
+        store i32 0, i32* %P
+        ret i32* %P
+; CHECK: @test13()
+; CHECK-NEXT: malloc
+; CHECK-NEXT: bitcast
+; CHECK-NEXT: call void
+}
+
+declare noalias i8* @malloc(i32)
+