1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=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_poison_elt(<2 x i8> %a) { 38; CHECK-LABEL: @mul_by_0_vec_poison_elt( 39; CHECK-NEXT: ret <2 x i8> zeroinitializer 40; 41 %b = mul <2 x i8> %a, <i8 poison, i8 0> 42 ret <2 x i8> %b 43} 44 45define i32 @poison(i32 %x) { 46; CHECK-LABEL: @poison( 47; CHECK-NEXT: ret i32 poison 48; 49 %v = mul i32 %x, poison 50 ret i32 %v 51} 52 53define i1 @mul_i1(i1 %x, i1 %y) { 54; CHECK-LABEL: @mul_i1( 55; CHECK-NEXT: [[R:%.*]] = mul i1 [[X:%.*]], [[Y:%.*]] 56; CHECK-NEXT: ret i1 [[R]] 57; 58 %r = mul i1 %x, %y 59 ret i1 %r 60} 61 62define i1 @mul_i1_nsw(i1 %x, i1 %y) { 63; CHECK-LABEL: @mul_i1_nsw( 64; CHECK-NEXT: ret i1 false 65; 66 %r = mul nsw i1 %x, %y 67 ret i1 %r 68} 69 70define i1 @mul_i1_nuw(i1 %x, i1 %y) { 71; CHECK-LABEL: @mul_i1_nuw( 72; CHECK-NEXT: [[R:%.*]] = mul nuw i1 [[X:%.*]], [[Y:%.*]] 73; CHECK-NEXT: ret i1 [[R]] 74; 75 %r = mul nuw i1 %x, %y 76 ret i1 %r 77} 78 79define i1 @square_i1(i1 %x) { 80; CHECK-LABEL: @square_i1( 81; CHECK-NEXT: ret i1 [[X:%.*]] 82; 83 %r = mul i1 %x, %x 84 ret i1 %r 85} 86 87define i1 @square_i1_nsw(i1 %x) { 88; CHECK-LABEL: @square_i1_nsw( 89; CHECK-NEXT: ret i1 false 90; 91 %r = mul nsw i1 %x, %x 92 ret i1 %r 93} 94 95define i1 @square_i1_nuw(i1 %x) { 96; CHECK-LABEL: @square_i1_nuw( 97; CHECK-NEXT: ret i1 [[X:%.*]] 98; 99 %r = mul nuw i1 %x, %x 100 ret i1 %r 101} 102