1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -instsimplify -S | FileCheck %s 3 4define <2 x i1> @test1(<2 x i1> %a) { 5; CHECK-LABEL: @test1( 6; CHECK-NEXT: ret <2 x i1> zeroinitializer 7; 8 %b = and <2 x i1> %a, <i1 true, i1 false> 9 %res = mul <2 x i1> %b, <i1 false, i1 true> 10 ret <2 x i1> %res 11} 12 13define i32 @mul_by_1(i32 %A) { 14; CHECK-LABEL: @mul_by_1( 15; CHECK-NEXT: ret i32 [[A:%.*]] 16; 17 %B = mul i32 %A, 1 18 ret i32 %B 19} 20 21define i32 @mul_by_0(i32 %A) { 22; CHECK-LABEL: @mul_by_0( 23; CHECK-NEXT: ret i32 0 24; 25 %B = mul i32 %A, 0 26 ret i32 %B 27} 28 29define <16 x i8> @mul_by_0_vec(<16 x i8> %a) { 30; CHECK-LABEL: @mul_by_0_vec( 31; CHECK-NEXT: ret <16 x i8> zeroinitializer 32; 33 %b = mul <16 x i8> %a, zeroinitializer 34 ret <16 x i8> %b 35} 36 37define <2 x i8> @mul_by_0_vec_undef_elt(<2 x i8> %a) { 38; CHECK-LABEL: @mul_by_0_vec_undef_elt( 39; CHECK-NEXT: ret <2 x i8> zeroinitializer 40; 41 %b = mul <2 x i8> %a, <i8 undef, i8 0> 42 ret <2 x i8> %b 43} 44 45