1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=indvars -indvars-predicate-loops=0 -S | FileCheck %s 3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 4target triple = "i386-apple-darwin10.0" 5 6; We make sinking here, Changed flag should be set properly. 7define i32 @test(i32 %a, i32 %b, i32 %N) { 8; CHECK-LABEL: @test( 9; CHECK-NEXT: entry: 10; CHECK-NEXT: br label [[LOOP:%.*]] 11; CHECK: loop: 12; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 13; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1 14; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[IV_NEXT]], [[N:%.*]] 15; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT:%.*]] 16; CHECK: exit: 17; CHECK-NEXT: [[ADD:%.*]] = add i32 [[A:%.*]], [[B:%.*]] 18; CHECK-NEXT: ret i32 [[ADD]] 19; 20entry: 21 %add = add i32 %a, %b 22 br label %loop 23 24loop: 25 %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] 26 %iv.next = add i32 %iv, 1 27 %cmp = icmp slt i32 %iv.next, %N 28 br i1 %cmp, label %loop, label %exit 29 30exit: 31 ret i32 %add 32} 33