1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
5 define i64 @test(ptr %tmp13) nounwind {
7 ; CHECK: # %bb.0: # %entry
8 ; CHECK-NEXT: .p2align 4, 0x90
9 ; CHECK-NEXT: .LBB0_1: # %while.cond
10 ; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
11 ; CHECK-NEXT: movl (%rdi), %eax
12 ; CHECK-NEXT: testb $1, %al
13 ; CHECK-NEXT: jne .LBB0_1
14 ; CHECK-NEXT: # %bb.2: # %while.end
15 ; CHECK-NEXT: shrl %eax
20 while.cond: ; preds = %while.cond, %entry
21 %tmp15 = load i32, ptr %tmp13 ; <i32> [#uses=2]
22 %bf.lo = lshr i32 %tmp15, 1 ; <i32> [#uses=1]
23 %bf.lo.cleared = and i32 %bf.lo, 2147483647 ; <i32> [#uses=1]
24 %conv = zext i32 %bf.lo.cleared to i64 ; <i64> [#uses=1]
25 %bf.lo.cleared25 = and i32 %tmp15, 1 ; <i32> [#uses=1]
26 %tobool = icmp ne i32 %bf.lo.cleared25, 0 ; <i1> [#uses=1]
27 br i1 %tobool, label %while.cond, label %while.end
29 while.end: ; preds = %while.cond