1; REQUIRES: asserts 2; RUN: opt -dce -S -debug-counter=dce-transform-skip=1,dce-transform-count=2 < %s | FileCheck %s 3;; Test that, with debug counters on, we will skip the first DCE opportunity, perform next 2, 4;; and ignore all the others left. 5 6; CHECK-LABEL: @test 7; CHECK-NEXT: %add1 = add i32 1, 2 8; CHECK-NEXT: %sub1 = sub i32 %add1, 1 9; CHECK-NEXT: %add2 = add i32 1, 2 10; CHECK-NEXT: %add3 = add i32 1, 2 11; CHECK-NEXT: ret void 12define void @test() { 13 %add1 = add i32 1, 2 14 %sub1 = sub i32 %add1, 1 15 %add2 = add i32 1, 2 16 %sub2 = sub i32 %add2, 1 17 %add3 = add i32 1, 2 18 %sub3 = sub i32 %add3, 1 19 ret void 20} 21