Add a testcase for r199430.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199831 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/codegen-prepare-cast.ll b/test/CodeGen/X86/codegen-prepare-cast.ll
index 2a8ead8c4909754d56597804717280f4c3dac170..59c513385f76c099625ab81d8c694bc0fea076d9 100644 (file)
--- a/test/CodeGen/X86/codegen-prepare-cast.ll
+++ b/test/CodeGen/X86/codegen-prepare-cast.ll
@@ -1,5 +1,6 @@
 ; RUN: llc < %s -march=x86-64
 ; PR4297
+; RUN: opt -S < %s -codegenprepare | FileCheck %s
 
 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"
@@ -8,6 +9,9 @@ target triple = "x86_64-unknown-linux-gnu"
         %"char[][]" = type { i64, %"byte[]"* }
 @.str = external constant [7 x i8]              ; <[7 x i8]*> [#uses=1]
 
+; CHECK-LABEL: @_Dmain
+; CHECK: load i8* getelementptr inbounds ([7 x i8]* @.str, i32 0, i32 0)
+; CHECK ret
 define fastcc i32 @_Dmain(%"char[][]" %unnamed) {
 entry:
         %tmp = getelementptr [7 x i8]* @.str, i32 0, i32 0              ; <i8*> [#uses=1]