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-rw-r--r--test/CodeGen/X86/bool-simplify.ll18
1 files changed, 17 insertions, 1 deletions
diff --git a/test/CodeGen/X86/bool-simplify.ll b/test/CodeGen/X86/bool-simplify.ll
index 0cb9fd9..09eb5d1 100644
--- a/test/CodeGen/X86/bool-simplify.ll
+++ b/test/CodeGen/X86/bool-simplify.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mattr=+sse41,-avx | FileCheck %s
+; RUN: llc < %s -march=x86-64 -mattr=+sse41,-avx,+rdrand | FileCheck %s
define i32 @foo(<2 x i64> %c, i32 %a, i32 %b) {
%t1 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
@@ -39,4 +39,20 @@ define i32 @bax(<2 x i64> %c) {
; CHECK: ret
}
+define i32 @rnd(i32 %arg) nounwind uwtable {
+ %1 = tail call { i32, i32 } @llvm.x86.rdrand.32() nounwind
+ %2 = extractvalue { i32, i32 } %1, 0
+ %3 = extractvalue { i32, i32 } %1, 1
+ %4 = icmp eq i32 %3, 0
+ %5 = select i1 %4, i32 0, i32 %arg
+ %6 = add i32 %5, %2
+ ret i32 %6
+; CHECK: rnd
+; CHECK: rdrand
+; CHECK: cmov
+; CHECK-NOT: cmov
+; CHECK: ret
+}
+
declare i32 @llvm.x86.sse41.ptestz(<2 x i64>, <2 x i64>) nounwind readnone
+declare { i32, i32 } @llvm.x86.rdrand.32() nounwind
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