1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -instcombine < %s | FileCheck %s 3 4define void @test_shl(i1 %x) { 5; CHECK-LABEL: @test_shl( 6; CHECK-NEXT: call void @sink(i8 0) 7; CHECK-NEXT: ret void 8; 9 %y = zext i1 %x to i8 10 %z = shl i8 64, %y 11 %a = and i8 %z, 1 12 call void @sink(i8 %a) 13 ret void 14} 15 16define void @test_lshr(i1 %x) { 17; CHECK-LABEL: @test_lshr( 18; CHECK-NEXT: call void @sink(i8 0) 19; CHECK-NEXT: ret void 20; 21 %y = zext i1 %x to i8 22 %z = lshr i8 64, %y 23 %a = and i8 %z, 1 24 call void @sink(i8 %a) 25 ret void 26} 27 28define void @test_ashr(i1 %x) { 29; CHECK-LABEL: @test_ashr( 30; CHECK-NEXT: call void @sink(i8 0) 31; CHECK-NEXT: ret void 32; 33 %y = zext i1 %x to i8 34 %z = ashr i8 -16, %y 35 %a = and i8 %z, 3 36 call void @sink(i8 %a) 37 ret void 38} 39 40define void @test_udiv(i8 %x) { 41; CHECK-LABEL: @test_udiv( 42; CHECK-NEXT: call void @sink(i8 0) 43; CHECK-NEXT: ret void 44; 45 %y = udiv i8 10, %x 46 %z = and i8 %y, 64 47 call void @sink(i8 %z) 48 ret void 49} 50 51declare void @sink(i8) 52