[llvm-commits] [llvm] r122216 - /llvm/trunk/test/Transforms/InstCombine/memset2.ll

[Mon P Wang]

Author: wangmp
Date: Sun Dec 19 19:06:23 2010
New Revision: 122216

URL: http://llvm.org/viewvc/llvm-project?rev=122216&view=rev
Log:
Test case for r122215 when InstCombine optimizes memset

Added:
    llvm/trunk/test/Transforms/InstCombine/memset2.ll

Added: llvm/trunk/test/Transforms/InstCombine/memset2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/memset2.ll?rev=122216&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/memset2.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/memset2.ll Sun Dec 19 19:06:23 2010
@@ -0,0 +1,15 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+; Test to check that instcombine doesn't drop the address space when optimizing
+; memset.
+%struct.Moves = type { [9 x i8], i8, i8, i8, [5 x i8] }
+
+define i32 @test(%struct.Moves addrspace(1)* nocapture %moves) {
+entry:
+; CHECK: bitcast i8 addrspace(1)* %gep to i64 addrspace(1)*
+	%gep = getelementptr inbounds %struct.Moves addrspace(1)* %moves, i32 1, i32 0, i32 9
+	 call void @llvm.memset.p1i8.i64(i8 addrspace(1)* %gep, i8 0, i64 8, i32 1, i1 false)                                                                     
+	ret i32 0
+}
+
+declare void @llvm.memset.p1i8.i64(i8addrspace(1)* nocapture, i8, i64, i32, i1) nounwind