summaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
diff options
context:
space:
mode:
authorRafael Espindola <rafael.espindola@gmail.com>2009-08-03 02:45:34 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2009-08-03 02:45:34 +0000
commitdef390a30aa8c3eb94796a062b161762330fdbe4 (patch)
tree3ef19bacf36cf203f7f78a4aeb024397ce332194 /test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
parenta8e8984ee4c197634839cf228f5b1d79a77fa4b9 (diff)
downloadllvm-def390a30aa8c3eb94796a062b161762330fdbe4.tar.gz
llvm-def390a30aa8c3eb94796a062b161762330fdbe4.tar.bz2
llvm-def390a30aa8c3eb94796a062b161762330fdbe4.tar.xz
Use movq to move 64 bits in and out of mmx registers.
Fixes PR4669 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll')
-rw-r--r--test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll b/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
new file mode 100644
index 0000000000..083538ad1f
--- /dev/null
+++ b/test/CodeGen/X86/2009-08-02-mmx-scalar-to-vector.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=x86-64
+; PR4669
+declare <1 x i64> @llvm.x86.mmx.pslli.q(<1 x i64>, i32)
+
+define <1 x i64> @test(i64 %t) {
+entry:
+ %t1 = insertelement <1 x i64> undef, i64 %t, i32 0
+ %t2 = tail call <1 x i64> @llvm.x86.mmx.pslli.q(<1 x i64> %t1, i32 48)
+ ret <1 x i64> %t2
+}