From baae7e4577378448b7c2f4263419f0446edcdb1d Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Wed, 11 Jan 2012 14:07:51 +0000 Subject: Fix a bug in the lowering of BUILD_VECTOR for AVX. SCALAR_TO_VECTOR does not zero untouched elements. Use INSERT_VECTOR_ELT instead. llvm-svn: 147948 --- llvm/test/CodeGen/X86/2012-1-10-buildvector.ll | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'llvm/test/CodeGen/X86/2012-1-10-buildvector.ll') diff --git a/llvm/test/CodeGen/X86/2012-1-10-buildvector.ll b/llvm/test/CodeGen/X86/2012-1-10-buildvector.ll index 4e7cbc6c14e..ff6be369dc5 100644 --- a/llvm/test/CodeGen/X86/2012-1-10-buildvector.ll +++ b/llvm/test/CodeGen/X86/2012-1-10-buildvector.ll @@ -1,13 +1,26 @@ -; RUN: llc < %s -march=x86 -mcpu=corei7-avx -mattr=+avx -mtriple=i686-pc-win32 +; RUN: llc < %s -march=x86 -mcpu=corei7-avx -mattr=+avx -mtriple=i686-pc-win32 | FileCheck %s target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S32" target triple = "i686-pc-win32" +;CHECK: bad_cast define void @bad_cast() { entry: %vext.i = shufflevector <2 x i64> undef, <2 x i64> undef, <3 x i32> %vecinit8.i = shufflevector <3 x i64> zeroinitializer, <3 x i64> %vext.i, <3 x i32> store <3 x i64> %vecinit8.i, <3 x i64>* undef, align 32 - unreachable +;CHECK: ret + ret void +} + + +;CHECK: bad_insert +define void @bad_insert(i32 %t) { +entry: +;CHECK: vpinsrd + %v2 = insertelement <8 x i32> zeroinitializer, i32 %t, i32 0 + store <8 x i32> %v2, <8 x i32> addrspace(1)* undef, align 32 +;CHECK: ret + ret void } -- cgit v1.2.3