Test case for r122215 when InstCombine optimizes memset

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122216 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang 2010-12-20 01:06:23 +00:00
parent 55fb9b0fcf
commit b085181258

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@ -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