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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s3 4@X = common dso_local global i16 0 ; <ptr> [#uses=1]5 6define dso_local i32 @foo(i32 %N) nounwind {7; CHECK-LABEL: foo:8; CHECK: # %bb.0: # %entry9; CHECK-NEXT: xorl %eax, %eax10; CHECK-NEXT: testl %edi, %edi11; CHECK-NEXT: jle .LBB0_212; CHECK-NEXT: .p2align 413; CHECK-NEXT: .LBB0_1: # %bb14; CHECK-NEXT: # =>This Inner Loop Header: Depth=115; CHECK-NEXT: movw %ax, X(%rip)16; CHECK-NEXT: incl %eax17; CHECK-NEXT: cmpl %eax, %edi18; CHECK-NEXT: jne .LBB0_119; CHECK-NEXT: .LBB0_2: # %return20; CHECK-NEXT: retq21entry:22 %0 = icmp sgt i32 %N, 0 ; <i1> [#uses=1]23 br i1 %0, label %bb, label %return24 25bb: ; preds = %bb, %entry26 %i.03 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=2]27 %1 = trunc i32 %i.03 to i16 ; <i16> [#uses=1]28 store volatile i16 %1, ptr @X, align 229 %indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2]30 %exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]31 br i1 %exitcond, label %return, label %bb32 33return: ; preds = %bb, %entry34 %h = phi i32 [ 0, %entry ], [ %indvar.next, %bb ]35 ret i32 %h36}37