aboutsummaryrefslogtreecommitdiffstats
path: root/test
diff options
context:
space:
mode:
authorPete Cooper <peter_cooper@apple.com>2012-08-30 23:58:52 +0000
committerPete Cooper <peter_cooper@apple.com>2012-08-30 23:58:52 +0000
commit5dd9e214fb92847e947f9edab170f9b4e52b908f (patch)
tree61138a0bf58825b556d8f05d7f4b3bf354178227 /test
parent9e3b6dfc2f4c10de4cd8f509b12769c6870aa805 (diff)
downloadexternal_llvm-5dd9e214fb92847e947f9edab170f9b4e52b908f.zip
external_llvm-5dd9e214fb92847e947f9edab170f9b4e52b908f.tar.gz
external_llvm-5dd9e214fb92847e947f9edab170f9b4e52b908f.tar.bz2
Take account of boolean vector contents when promoting a build vector from i1 to some other type. rdar://problem/12210060
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162960 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/vec_select.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_select.ll b/test/CodeGen/X86/vec_select.ll
new file mode 100644
index 0000000..065232c
--- /dev/null
+++ b/test/CodeGen/X86/vec_select.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s -march=x86 | FileCheck %s
+
+; When legalizing the v4i1 constant, we need to consider the boolean contents
+; For x86 a boolean vector constant is all ones so the constants in memory
+; will be ~0U not 1.
+
+; CHECK: .long 4294967295
+; CHECK: .long 4294967295
+; CHECK: .long 0
+; CHECK: .long 0
+
+; CHECK: test
+define <4 x i8> @test(<4 x i8> %a, <4 x i8> %b) {
+ %sel = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x i8> %a, <4 x i8> %b
+ ret <4 x i8> %sel
+}