[llvm-commits] [llvm] r89295 - /llvm/trunk/test/CodeGen/X86/unaligned-load.ll

Bill Wendling isanbard at gmail.com
Wed Nov 18 17:33:57 PST 2009


Author: void
Date: Wed Nov 18 19:33:57 2009
New Revision: 89295

URL: http://llvm.org/viewvc/llvm-project?rev=89295&view=rev
Log:
Test from Dhrystone to make sure that we're not emitting an aligned load for a
string that's aligned at 8-bytes instead of 16-bytes.

Added:
    llvm/trunk/test/CodeGen/X86/unaligned-load.ll

Added: llvm/trunk/test/CodeGen/X86/unaligned-load.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/unaligned-load.ll?rev=89295&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/unaligned-load.ll (added)
+++ llvm/trunk/test/CodeGen/X86/unaligned-load.ll Wed Nov 18 19:33:57 2009
@@ -0,0 +1,28 @@
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | not grep {movaps\t_.str3}
+; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | FileCheck %s
+
+ at .str1 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 8
+ at .str3 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, 2'ND STRING\00", align 8
+
+define void @func() nounwind ssp {
+entry:
+  %String2Loc = alloca [31 x i8], align 1
+  br label %bb
+
+bb:
+  %String2Loc9 = getelementptr inbounds [31 x i8]* %String2Loc, i64 0, i64 0
+  call void @llvm.memcpy.i64(i8* %String2Loc9, i8* getelementptr inbounds ([31 x i8]* @.str3, i64 0, i64 0), i64 31, i32 1)
+; CHECK: movups _.str3
+  br label %bb
+
+return:
+  ret void
+}
+
+declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind
+
+; CHECK: .align  3
+; CHECK-NEXT: _.str1:
+; CHECK-NEXT: .asciz "DHRYSTONE PROGRAM, SOME STRING"
+; CHECK-NEXT: .align 3
+; CHECK-NEXT: _.str3:





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