From 5dfb6c7f1607aa23d52252ff85e1b074b3bac964 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 7 Oct 2006 21:54:08 +0000 Subject: [PATCH] new testcase we miscompile git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30816 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../X86/2006-10-07-ScalarSSEMiscompile.ll | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll diff --git a/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll b/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll new file mode 100644 index 00000000000..7bb5a8dcd22 --- /dev/null +++ b/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=sse | grep movaps +; Test that the load is NOT folded into the intrinsic, which would zero the top +; elts of the loaded vector. + +target endian = little +target pointersize = 32 +target triple = "i686-apple-darwin8.7.2" + +implementation ; Functions: + +<4 x float> %test(<4 x float> %A, <4 x float>* %B) { + %BV = load <4 x float>* %B + %tmp28 = tail call <4 x float> %llvm.x86.sse.sub.ss( <4 x float> %A, <4 x float> %BV) + ret <4 x float> %tmp28 +} + +declare <4 x float> %llvm.x86.sse.sub.ss(<4 x float>, <4 x float>)