1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; RUN: opt < %s -instsimplify -S | FileCheck %s 3 4 define <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 13 define 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 21 define 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 29 define <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 37 define <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
