-; RUN: llc -mtriple=x86_64-apple-macosx -mcpu=nocona < %s | FileCheck %s
+; RUN: llc -mtriple=x86_64-apple-macosx -mcpu=nocona -verify-machineinstrs < %s | FileCheck %s
; After tail duplication, two copies in an early exit BB can be cancelled out.
; rdar://10640363
define i32 @t1(i32 %a, i32 %b) nounwind {
entry:
-; CHECK: t1:
-; CHECK: jne
+; CHECK-LABEL: t1:
+; CHECK: je [[LABEL:.*BB.*]]
%cmp1 = icmp eq i32 %b, 0
br i1 %cmp1, label %while.end, label %while.body
-; CHECK: BB
+; CHECK: [[LABEL]]:
; CHECK-NOT: mov
; CHECK: ret
; rdar://10428165
define <8 x i16> @t2(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
entry:
-; CHECK: t2:
+; CHECK-LABEL: t2:
; CHECK-NOT: movdqa
%tmp8 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 undef, i32 undef, i32 7, i32 2, i32 8, i32 undef, i32 undef , i32 undef >
ret <8 x i16> %tmp8
}
+
+define i32 @t3(i64 %a, i64 %b) nounwind {
+entry:
+; CHECK-LABEL: t3:
+; CHECK: je [[LABEL:.*BB.*]]
+ %cmp1 = icmp eq i64 %b, 0
+ br i1 %cmp1, label %while.end, label %while.body
+
+; CHECK: [[LABEL]]:
+; CHECK-NOT: mov
+; CHECK: ret
+
+while.body: ; preds = %entry, %while.body
+ %a.addr.03 = phi i64 [ %b.addr.02, %while.body ], [ %a, %entry ]
+ %b.addr.02 = phi i64 [ %rem, %while.body ], [ %b, %entry ]
+ %rem = srem i64 %a.addr.03, %b.addr.02
+ %cmp = icmp eq i64 %rem, 0
+ br i1 %cmp, label %while.end, label %while.body
+
+while.end: ; preds = %while.body, %entry
+ %a.addr.0.lcssa = phi i64 [ %a, %entry ], [ %b.addr.02, %while.body ]
+ %t = trunc i64 %a.addr.0.lcssa to i32
+ ret i32 %t
+}