; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
; rdar://6806252
define i64 @test(ptr %tmp13) nounwind {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movl (%rdi), %ecx
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: shrl %eax
; CHECK-NEXT: .p2align 4, 0x90
; CHECK-NEXT: .LBB0_1: # %while.cond
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: testb $1, %cl
; CHECK-NEXT: jne .LBB0_1
; CHECK-NEXT: # %bb.2: # %while.end
; CHECK-NEXT: retq
entry:
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%tmp15 = load i32, ptr %tmp13 ; <i32> [#uses=2]
%bf.lo = lshr i32 %tmp15, 1 ; <i32> [#uses=1]
%bf.lo.cleared = and i32 %bf.lo, 2147483647 ; <i32> [#uses=1]
%conv = zext i32 %bf.lo.cleared to i64 ; <i64> [#uses=1]
%bf.lo.cleared25 = and i32 %tmp15, 1 ; <i32> [#uses=1]
%tobool = icmp ne i32 %bf.lo.cleared25, 0 ; <i1> [#uses=1]
br i1 %tobool, label %while.cond, label %while.end
while.end: ; preds = %while.cond
ret i64 %conv
}