add select i1 test, reproduser pr30249.

llvm-svn: 281218
2016-09-12 15:27:02 +00:00 · 2016-09-12 15:27:02 +00:00 · a3e36da6f2
parent 3151dec7f1
commit a3e36da6f2
1 changed files with 12 additions and 0 deletions
--- a/llvm/test/CodeGen/X86/avx512-select.ll
+++ b/llvm/test/CodeGen/X86/avx512-select.ll
@ -146,3 +146,15 @@ define i8 @select07(i8 %a.0, i8 %b.0, i8 %m) {
  %res = bitcast <8 x i1> %r to i8
  ret i8 %res;
 }
+
+define i64 @pr30249() {
+; CHECK-LABEL: pr30249:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    xorl %ecx, %ecx
+; CHECK-NEXT:    cmpb $1, %cl
+; CHECK-NEXT:    movl $1, %eax
+; CHECK-NEXT:    adcxq %rcx, %rax
+; CHECK-NEXT:    retq
+  %v = select i1 undef , i64 1, i64 2
+  ret i64 %v
+}