derek.holloway
7502bf64a4
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102 lines
2.0 KiB
LLVM
102 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
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define <2 x i1> @test1(<2 x i1> %a) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret <2 x i1> zeroinitializer
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;
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%b = and <2 x i1> %a, <i1 true, i1 false>
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%res = mul <2 x i1> %b, <i1 false, i1 true>
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ret <2 x i1> %res
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}
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define i32 @mul_by_1(i32 %A) {
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; CHECK-LABEL: @mul_by_1(
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; CHECK-NEXT: ret i32 [[A:%.*]]
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;
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%B = mul i32 %A, 1
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ret i32 %B
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}
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define i32 @mul_by_0(i32 %A) {
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; CHECK-LABEL: @mul_by_0(
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; CHECK-NEXT: ret i32 0
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;
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%B = mul i32 %A, 0
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ret i32 %B
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}
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define <16 x i8> @mul_by_0_vec(<16 x i8> %a) {
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; CHECK-LABEL: @mul_by_0_vec(
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; CHECK-NEXT: ret <16 x i8> zeroinitializer
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;
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%b = mul <16 x i8> %a, zeroinitializer
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ret <16 x i8> %b
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}
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define <2 x i8> @mul_by_0_vec_poison_elt(<2 x i8> %a) {
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; CHECK-LABEL: @mul_by_0_vec_poison_elt(
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; CHECK-NEXT: ret <2 x i8> zeroinitializer
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;
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%b = mul <2 x i8> %a, <i8 poison, i8 0>
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ret <2 x i8> %b
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}
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define i32 @poison(i32 %x) {
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; CHECK-LABEL: @poison(
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; CHECK-NEXT: ret i32 poison
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;
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%v = mul i32 %x, poison
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ret i32 %v
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}
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define i1 @mul_i1(i1 %x, i1 %y) {
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; CHECK-LABEL: @mul_i1(
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; CHECK-NEXT: [[R:%.*]] = mul i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: ret i1 [[R]]
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;
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%r = mul i1 %x, %y
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ret i1 %r
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}
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define i1 @mul_i1_nsw(i1 %x, i1 %y) {
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; CHECK-LABEL: @mul_i1_nsw(
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; CHECK-NEXT: ret i1 false
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;
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%r = mul nsw i1 %x, %y
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ret i1 %r
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}
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define i1 @mul_i1_nuw(i1 %x, i1 %y) {
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; CHECK-LABEL: @mul_i1_nuw(
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; CHECK-NEXT: [[R:%.*]] = mul nuw i1 [[X:%.*]], [[Y:%.*]]
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; CHECK-NEXT: ret i1 [[R]]
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;
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%r = mul nuw i1 %x, %y
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ret i1 %r
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}
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define i1 @square_i1(i1 %x) {
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; CHECK-LABEL: @square_i1(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%r = mul i1 %x, %x
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ret i1 %r
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}
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define i1 @square_i1_nsw(i1 %x) {
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; CHECK-LABEL: @square_i1_nsw(
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; CHECK-NEXT: ret i1 false
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;
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%r = mul nsw i1 %x, %x
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ret i1 %r
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}
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define i1 @square_i1_nuw(i1 %x) {
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; CHECK-LABEL: @square_i1_nuw(
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; CHECK-NEXT: ret i1 [[X:%.*]]
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;
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%r = mul nuw i1 %x, %x
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ret i1 %r
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}
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