[llvm-commits] [llvm] r120374 - in /llvm/trunk/test/Transforms/DeadStoreElimination: context-sensitive.ll partial-overwrite.ll simple.ll

[Chris Lattner]

Author: lattner
Date: Mon Nov 29 19:05:07 2010
New Revision: 120374

URL: http://llvm.org/viewvc/llvm-project?rev=120374&view=rev
Log:
I already merged partial-overwrite.ll -> PartialStore.ll
Merge context-sensitive.ll -> simple.ll and upgrade it.

Removed:
    llvm/trunk/test/Transforms/DeadStoreElimination/context-sensitive.ll
    llvm/trunk/test/Transforms/DeadStoreElimination/partial-overwrite.ll
Modified:
    llvm/trunk/test/Transforms/DeadStoreElimination/simple.ll

Removed: llvm/trunk/test/Transforms/DeadStoreElimination/context-sensitive.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/DeadStoreElimination/context-sensitive.ll?rev=120373&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/DeadStoreElimination/context-sensitive.ll (original)
+++ llvm/trunk/test/Transforms/DeadStoreElimination/context-sensitive.ll (removed)
@@ -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
-}
-

Removed: llvm/trunk/test/Transforms/DeadStoreElimination/partial-overwrite.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/DeadStoreElimination/partial-overwrite.ll?rev=120373&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/DeadStoreElimination/partial-overwrite.ll (original)
+++ llvm/trunk/test/Transforms/DeadStoreElimination/partial-overwrite.ll (removed)
@@ -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
-}

Modified: llvm/trunk/test/Transforms/DeadStoreElimination/simple.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/DeadStoreElimination/simple.ll?rev=120374&r1=120373&r2=120374&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/DeadStoreElimination/simple.ll (original)
+++ llvm/trunk/test/Transforms/DeadStoreElimination/simple.ll Mon Nov 29 19:05:07 2010
@@ -145,3 +145,23 @@
 ; 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)
+