; 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: .p2align 4, 0x90 ; CHECK-NEXT: .LBB0_1: # %while.cond ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: movl (%rdi), %eax ; CHECK-NEXT: testb $1, %al ; CHECK-NEXT: jne .LBB0_1 ; CHECK-NEXT: # %bb.2: # %while.end ; CHECK-NEXT: shrl %eax ; 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 }