1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-- | FileCheck %s 3 4@X = weak global i16 0 ; <ptr> [#uses=1] 5@Y = weak global i16 0 ; <ptr> [#uses=1] 6 7define void @foo(i32 %N) nounwind { 8; CHECK-LABEL: foo: 9; CHECK: # %bb.0: # %entry 10; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 11; CHECK-NEXT: testl %eax, %eax 12; CHECK-NEXT: jle .LBB0_3 13; CHECK-NEXT: # %bb.1: # %bb.preheader 14; CHECK-NEXT: xorl %ecx, %ecx 15; CHECK-NEXT: xorl %edx, %edx 16; CHECK-NEXT: .p2align 4 17; CHECK-NEXT: .LBB0_2: # %bb 18; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 19; CHECK-NEXT: movw %dx, X 20; CHECK-NEXT: movw %cx, Y 21; CHECK-NEXT: incl %edx 22; CHECK-NEXT: addl $4, %ecx 23; CHECK-NEXT: cmpl %edx, %eax 24; CHECK-NEXT: jne .LBB0_2 25; CHECK-NEXT: .LBB0_3: # %return 26; CHECK-NEXT: retl 27entry: 28 %tmp1019 = icmp sgt i32 %N, 0 ; <i1> [#uses=1] 29 br i1 %tmp1019, label %bb, label %return 30 31bb: ; preds = %bb, %entry 32 %i.014.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2] 33 %tmp1 = trunc i32 %i.014.0 to i16 ; <i16> [#uses=2] 34 store volatile i16 %tmp1, ptr @X, align 2 35 %tmp34 = shl i16 %tmp1, 2 ; <i16> [#uses=1] 36 store volatile i16 %tmp34, ptr @Y, align 2 37 %indvar.next = add i32 %i.014.0, 1 ; <i32> [#uses=2] 38 %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1] 39 br i1 %exitcond, label %return, label %bb 40 41return: ; preds = %bb, %entry 42 ret void 43} 44