[llvm-commits] [llvm] r120374 - in /llvm/trunk/test/Transforms/DeadStoreElimination: context-sensitive.ll partial-overwrite.ll simple.ll
Chris Lattner
sabre at nondot.org
Mon Nov 29 17:05:07 PST 2010
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)
+
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