aboutsummaryrefslogtreecommitdiffstats
path: root/test
diff options
context:
space:
mode:
authorNadav Rotem <nadav.rotem@intel.com>2012-01-10 14:28:46 +0000
committerNadav Rotem <nadav.rotem@intel.com>2012-01-10 14:28:46 +0000
commit6c0366cb2588ae49ef6e2f892db2099d41d85391 (patch)
tree027604412b0571edc47eee668db2041a20b86005 /test
parent66a7fd78ee761fdf9c7f9ec13241949da3f6df24 (diff)
downloadexternal_llvm-6c0366cb2588ae49ef6e2f892db2099d41d85391.zip
external_llvm-6c0366cb2588ae49ef6e2f892db2099d41d85391.tar.gz
external_llvm-6c0366cb2588ae49ef6e2f892db2099d41d85391.tar.bz2
Fix a bug in the legalization of shuffle vectors. When we emulate shuffles using BUILD_VECTORS we may be using a BV of different type. Make sure to cast it back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147851 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/2012-1-10-buildvector.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2012-1-10-buildvector.ll b/test/CodeGen/X86/2012-1-10-buildvector.ll
new file mode 100644
index 0000000..4e7cbc6
--- /dev/null
+++ b/test/CodeGen/X86/2012-1-10-buildvector.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -march=x86 -mcpu=corei7-avx -mattr=+avx -mtriple=i686-pc-win32
+
+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"
+
+define void @bad_cast() {
+entry:
+ %vext.i = shufflevector <2 x i64> undef, <2 x i64> undef, <3 x i32> <i32 0, i32 1, i32 undef>
+ %vecinit8.i = shufflevector <3 x i64> zeroinitializer, <3 x i64> %vext.i, <3 x i32> <i32 0, i32 3, i32 4>
+ store <3 x i64> %vecinit8.i, <3 x i64>* undef, align 32
+ unreachable
+}
+