forked from OSchip/llvm-project
722 lines
18 KiB
LLVM
722 lines
18 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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@G1 = global i32 0
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@G2 = global i32 0
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define i1 @test0(i1 %A) {
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; CHECK-LABEL: @test0(
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; CHECK-NEXT: ret i1 %A
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;
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%B = xor i1 %A, false
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ret i1 %B
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}
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define i32 @test1(i32 %A) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret i32 %A
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;
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%B = xor i32 %A, 0
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ret i32 %B
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}
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define i1 @test2(i1 %A) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret i1 false
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;
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%B = xor i1 %A, %A
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ret i1 %B
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}
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define i32 @test3(i32 %A) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: ret i32 0
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;
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%B = xor i32 %A, %A
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ret i32 %B
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}
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define i32 @test4(i32 %A) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: ret i32 -1
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;
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%NotA = xor i32 -1, %A
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%B = xor i32 %A, %NotA
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ret i32 %B
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}
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define i32 @test5(i32 %A) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 %A, -124
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; CHECK-NEXT: ret i32 [[TMP1]]
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;
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%t1 = or i32 %A, 123
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%r = xor i32 %t1, 123
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ret i32 %r
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}
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define i8 @test6(i8 %A) {
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: ret i8 %A
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;
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%B = xor i8 %A, 17
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%C = xor i8 %B, 17
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ret i8 %C
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}
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define i32 @test7(i32 %A, i32 %B) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[A1:%.*]] = and i32 %A, 7
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; CHECK-NEXT: [[B1:%.*]] = and i32 %B, 128
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; CHECK-NEXT: [[C11:%.*]] = or i32 [[A1]], [[B1]]
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; CHECK-NEXT: ret i32 [[C11]]
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;
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%A1 = and i32 %A, 7
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%B1 = and i32 %B, 128
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%C1 = xor i32 %A1, %B1
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ret i32 %C1
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}
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define i8 @test8(i1 %c) {
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: br i1 %c, label %False, label %True
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; CHECK: True:
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; CHECK-NEXT: ret i8 1
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; CHECK: False:
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; CHECK-NEXT: ret i8 3
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;
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%d = xor i1 %c, true
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br i1 %d, label %True, label %False
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True:
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ret i8 1
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False:
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ret i8 3
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}
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define i1 @test9(i8 %A) {
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: [[C:%.*]] = icmp eq i8 %A, 89
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; CHECK-NEXT: ret i1 [[C]]
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;
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%B = xor i8 %A, 123
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%C = icmp eq i8 %B, 34
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ret i1 %C
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}
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define <2 x i1> @test9vec(<2 x i8> %a) {
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; CHECK-LABEL: @test9vec(
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; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x i8> %a, <i8 89, i8 89>
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; CHECK-NEXT: ret <2 x i1> [[C]]
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;
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%b = xor <2 x i8> %a, <i8 123, i8 123>
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%c = icmp eq <2 x i8> %b, <i8 34, i8 34>
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ret <2 x i1> %c
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}
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define i8 @test10(i8 %A) {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: [[B:%.*]] = and i8 %A, 3
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; CHECK-NEXT: [[C1:%.*]] = or i8 [[B]], 4
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; CHECK-NEXT: ret i8 [[C1]]
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;
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%B = and i8 %A, 3
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%C = xor i8 %B, 4
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ret i8 %C
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}
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define i8 @test11(i8 %A) {
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[B:%.*]] = and i8 %A, -13
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; CHECK-NEXT: [[TMP1:%.*]] = or i8 [[B]], 8
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; CHECK-NEXT: ret i8 [[TMP1]]
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;
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%B = or i8 %A, 12
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%C = xor i8 %B, 4
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ret i8 %C
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}
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define i1 @test12(i8 %A) {
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; CHECK-LABEL: @test12(
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; CHECK-NEXT: [[C:%.*]] = icmp ne i8 %A, 4
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; CHECK-NEXT: ret i1 [[C]]
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;
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%B = xor i8 %A, 4
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%c = icmp ne i8 %B, 0
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ret i1 %c
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}
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define <2 x i1> @test12vec(<2 x i8> %a) {
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; CHECK-LABEL: @test12vec(
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; CHECK-NEXT: [[C:%.*]] = icmp ne <2 x i8> %a, <i8 4, i8 4>
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; CHECK-NEXT: ret <2 x i1> [[C]]
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;
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%b = xor <2 x i8> %a, <i8 4, i8 4>
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%c = icmp ne <2 x i8> %b, zeroinitializer
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ret <2 x i1> %c
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}
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define i32 @test15(i32 %A) {
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; CHECK-LABEL: @test15(
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; CHECK-NEXT: [[C:%.*]] = sub i32 0, %A
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; CHECK-NEXT: ret i32 [[C]]
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;
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%B = add i32 %A, -1
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%C = xor i32 %B, -1
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ret i32 %C
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}
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define <2 x i32> @test15vec(<2 x i32> %A) {
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; CHECK-LABEL: @test15vec(
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; CHECK-NEXT: [[C:%.*]] = sub <2 x i32> zeroinitializer, [[A:%.*]]
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; CHECK-NEXT: ret <2 x i32> [[C]]
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;
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%B = add <2 x i32> %A, <i32 -1, i32 -1>
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%C = xor <2 x i32> %B, <i32 -1, i32 -1>
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ret <2 x i32> %C
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}
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define i32 @test16(i32 %A) {
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; CHECK-LABEL: @test16(
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; CHECK-NEXT: [[C:%.*]] = sub i32 -124, %A
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; CHECK-NEXT: ret i32 [[C]]
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;
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%B = add i32 %A, 123
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%C = xor i32 %B, -1
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ret i32 %C
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}
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define <2 x i32> @test16vec(<2 x i32> %A) {
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; CHECK-LABEL: @test16vec(
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; CHECK-NEXT: [[C:%.*]] = sub <2 x i32> <i32 -124, i32 -124>, [[A:%.*]]
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; CHECK-NEXT: ret <2 x i32> [[C]]
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;
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%B = add <2 x i32> %A, <i32 123, i32 123>
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%C = xor <2 x i32> %B, <i32 -1, i32 -1>
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ret <2 x i32> %C
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}
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define i32 @test17(i32 %A) {
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; CHECK-LABEL: @test17(
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; CHECK-NEXT: [[C:%.*]] = add i32 %A, -124
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; CHECK-NEXT: ret i32 [[C]]
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;
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%B = sub i32 123, %A
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%C = xor i32 %B, -1
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ret i32 %C
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}
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define <2 x i32> @test17vec(<2 x i32> %A) {
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; CHECK-LABEL: @test17vec(
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; CHECK-NEXT: [[C:%.*]] = add <2 x i32> [[A:%.*]], <i32 -124, i32 -124>
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; CHECK-NEXT: ret <2 x i32> [[C]]
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;
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%B = sub <2 x i32> <i32 123, i32 123>, %A
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%C = xor <2 x i32> %B, <i32 -1, i32 -1>
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ret <2 x i32> %C
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}
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define i32 @test18(i32 %A) {
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; CHECK-LABEL: @test18(
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; CHECK-NEXT: [[C:%.*]] = add i32 %A, 124
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; CHECK-NEXT: ret i32 [[C]]
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;
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%B = xor i32 %A, -1
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%C = sub i32 123, %B
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ret i32 %C
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}
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define i32 @test19(i32 %A, i32 %B) {
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; CHECK-LABEL: @test19(
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; CHECK-NEXT: ret i32 %B
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;
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%C = xor i32 %A, %B
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%D = xor i32 %C, %A
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ret i32 %D
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}
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define void @test20(i32 %A, i32 %B) {
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; CHECK-LABEL: @test20(
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; CHECK-NEXT: store i32 %B, i32* @G1, align 4
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; CHECK-NEXT: store i32 %A, i32* @G2, align 4
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; CHECK-NEXT: ret void
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;
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%t2 = xor i32 %B, %A
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%t5 = xor i32 %t2, %B
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%t8 = xor i32 %t5, %t2
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store i32 %t8, i32* @G1
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store i32 %t5, i32* @G2
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ret void
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}
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define i32 @test21(i1 %C, i32 %A, i32 %B) {
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; CHECK-LABEL: @test21(
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; CHECK-NEXT: [[D:%.*]] = select i1 %C, i32 %B, i32 %A
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; CHECK-NEXT: ret i32 [[D]]
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;
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%C2 = xor i1 %C, true
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%D = select i1 %C2, i32 %A, i32 %B
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ret i32 %D
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}
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define i32 @test22(i1 %X) {
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; CHECK-LABEL: @test22(
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; CHECK-NEXT: [[Z:%.*]] = zext i1 %X to i32
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; CHECK-NEXT: ret i32 [[Z]]
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;
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%Y = xor i1 %X, true
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%Z = zext i1 %Y to i32
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%Q = xor i32 %Z, 1
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ret i32 %Q
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}
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; Look through a zext between xors.
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define i32 @fold_zext_xor_sandwich(i1 %X) {
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; CHECK-LABEL: @fold_zext_xor_sandwich(
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; CHECK-NEXT: [[Z:%.*]] = zext i1 %X to i32
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; CHECK-NEXT: [[Q:%.*]] = xor i32 [[Z]], 3
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; CHECK-NEXT: ret i32 [[Q]]
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;
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%Y = xor i1 %X, true
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%Z = zext i1 %Y to i32
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%Q = xor i32 %Z, 2
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ret i32 %Q
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}
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define <2 x i32> @fold_zext_xor_sandwich_vec(<2 x i1> %X) {
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; CHECK-LABEL: @fold_zext_xor_sandwich_vec(
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; CHECK-NEXT: [[Z:%.*]] = zext <2 x i1> %X to <2 x i32>
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; CHECK-NEXT: [[Q:%.*]] = xor <2 x i32> [[Z]], <i32 3, i32 3>
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; CHECK-NEXT: ret <2 x i32> [[Q]]
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;
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%Y = xor <2 x i1> %X, <i1 true, i1 true>
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%Z = zext <2 x i1> %Y to <2 x i32>
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%Q = xor <2 x i32> %Z, <i32 2, i32 2>
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ret <2 x i32> %Q
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}
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define i1 @test23(i32 %a, i32 %b) {
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; CHECK-LABEL: @test23(
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; CHECK-NEXT: [[T4:%.*]] = icmp eq i32 %b, 0
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; CHECK-NEXT: ret i1 [[T4]]
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;
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%t2 = xor i32 %b, %a
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%t4 = icmp eq i32 %t2, %a
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ret i1 %t4
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}
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define i1 @test24(i32 %c, i32 %d) {
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; CHECK-LABEL: @test24(
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; CHECK-NEXT: [[T4:%.*]] = icmp ne i32 %d, 0
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; CHECK-NEXT: ret i1 [[T4]]
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;
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%t2 = xor i32 %d, %c
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%t4 = icmp ne i32 %t2, %c
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ret i1 %t4
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}
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define i32 @test25(i32 %g, i32 %h) {
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; CHECK-LABEL: @test25(
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; CHECK-NEXT: [[T4:%.*]] = and i32 %h, %g
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; CHECK-NEXT: ret i32 [[T4]]
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;
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%h2 = xor i32 %h, -1
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%t2 = and i32 %h2, %g
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%t4 = xor i32 %t2, %g
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ret i32 %t4
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}
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define i32 @test26(i32 %a, i32 %b) {
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; CHECK-LABEL: @test26(
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; CHECK-NEXT: [[T4:%.*]] = and i32 %b, %a
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; CHECK-NEXT: ret i32 [[T4]]
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;
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%b2 = xor i32 %b, -1
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%t2 = xor i32 %a, %b2
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%t4 = and i32 %t2, %a
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ret i32 %t4
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}
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define i32 @test27(i32 %b, i32 %c, i32 %d) {
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; CHECK-LABEL: @test27(
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; CHECK-NEXT: [[T6:%.*]] = icmp eq i32 %b, %c
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; CHECK-NEXT: [[T7:%.*]] = zext i1 [[T6]] to i32
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; CHECK-NEXT: ret i32 [[T7]]
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;
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%t2 = xor i32 %d, %b
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%t5 = xor i32 %d, %c
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%t6 = icmp eq i32 %t2, %t5
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%t7 = zext i1 %t6 to i32
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ret i32 %t7
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}
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define i32 @test28(i32 %indvar) {
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; CHECK-LABEL: @test28(
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; CHECK-NEXT: [[T214:%.*]] = add i32 %indvar, 1
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; CHECK-NEXT: ret i32 [[T214]]
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;
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%t7 = add i32 %indvar, -2147483647
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%t214 = xor i32 %t7, -2147483648
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ret i32 %t214
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}
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define <2 x i32> @test28vec(<2 x i32> %indvar) {
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; CHECK-LABEL: @test28vec(
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; CHECK-NEXT: [[T214:%.*]] = add <2 x i32> [[INDVAR:%.*]], <i32 1, i32 1>
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; CHECK-NEXT: ret <2 x i32> [[T214]]
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;
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%t7 = add <2 x i32> %indvar, <i32 -2147483647, i32 -2147483647>
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%t214 = xor <2 x i32> %t7, <i32 -2147483648, i32 -2147483648>
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ret <2 x i32> %t214
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}
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define i32 @test28_sub(i32 %indvar) {
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; CHECK-LABEL: @test28_sub(
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; CHECK-NEXT: [[T214:%.*]] = sub i32 1, [[INDVAR:%.*]]
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; CHECK-NEXT: ret i32 [[T214]]
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;
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%t7 = sub i32 -2147483647, %indvar
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%t214 = xor i32 %t7, -2147483648
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ret i32 %t214
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}
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define <2 x i32> @test28_subvec(<2 x i32> %indvar) {
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; CHECK-LABEL: @test28_subvec(
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; CHECK-NEXT: [[T214:%.*]] = sub <2 x i32> <i32 1, i32 1>, [[INDVAR:%.*]]
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; CHECK-NEXT: ret <2 x i32> [[T214]]
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;
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%t7 = sub <2 x i32> <i32 -2147483647, i32 -2147483647>, %indvar
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%t214 = xor <2 x i32> %t7, <i32 -2147483648, i32 -2147483648>
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ret <2 x i32> %t214
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}
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define i32 @test29(i1 %C) {
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; CHECK-LABEL: @test29(
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; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], i32 915, i32 113
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; CHECK-NEXT: ret i32 [[V]]
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;
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%A = select i1 %C, i32 1000, i32 10
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%V = xor i32 %A, 123
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ret i32 %V
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}
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define <2 x i32> @test29vec(i1 %C) {
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; CHECK-LABEL: @test29vec(
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; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 915, i32 915>, <2 x i32> <i32 113, i32 113>
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; CHECK-NEXT: ret <2 x i32> [[V]]
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;
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%A = select i1 %C, <2 x i32> <i32 1000, i32 1000>, <2 x i32> <i32 10, i32 10>
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%V = xor <2 x i32> %A, <i32 123, i32 123>
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ret <2 x i32> %V
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}
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define <2 x i32> @test29vec2(i1 %C) {
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; CHECK-LABEL: @test29vec2(
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; CHECK-NEXT: [[V:%.*]] = select i1 [[C:%.*]], <2 x i32> <i32 915, i32 2185>, <2 x i32> <i32 113, i32 339>
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; CHECK-NEXT: ret <2 x i32> [[V]]
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;
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%A = select i1 %C, <2 x i32> <i32 1000, i32 2500>, <2 x i32> <i32 10, i32 30>
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%V = xor <2 x i32> %A, <i32 123, i32 333>
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ret <2 x i32> %V
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}
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define i32 @test30(i1 %which) {
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; CHECK-LABEL: @test30(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]]
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; CHECK: delay:
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; CHECK-NEXT: br label [[FINAL]]
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; CHECK: final:
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; CHECK-NEXT: [[A:%.*]] = phi i32 [ 915, [[ENTRY:%.*]] ], [ 113, [[DELAY]] ]
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; CHECK-NEXT: ret i32 [[A]]
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;
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entry:
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br i1 %which, label %final, label %delay
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delay:
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br label %final
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final:
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%A = phi i32 [ 1000, %entry ], [ 10, %delay ]
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%value = xor i32 %A, 123
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ret i32 %value
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}
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define <2 x i32> @test30vec(i1 %which) {
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; CHECK-LABEL: @test30vec(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]]
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; CHECK: delay:
|
|
; CHECK-NEXT: br label [[FINAL]]
|
|
; CHECK: final:
|
|
; CHECK-NEXT: [[A:%.*]] = phi <2 x i32> [ <i32 915, i32 915>, [[ENTRY:%.*]] ], [ <i32 113, i32 113>, [[DELAY]] ]
|
|
; CHECK-NEXT: ret <2 x i32> [[A]]
|
|
;
|
|
entry:
|
|
br i1 %which, label %final, label %delay
|
|
|
|
delay:
|
|
br label %final
|
|
|
|
final:
|
|
%A = phi <2 x i32> [ <i32 1000, i32 1000>, %entry ], [ <i32 10, i32 10>, %delay ]
|
|
%value = xor <2 x i32> %A, <i32 123, i32 123>
|
|
ret <2 x i32> %value
|
|
}
|
|
|
|
define <2 x i32> @test30vec2(i1 %which) {
|
|
; CHECK-LABEL: @test30vec2(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 [[WHICH:%.*]], label [[FINAL:%.*]], label [[DELAY:%.*]]
|
|
; CHECK: delay:
|
|
; CHECK-NEXT: br label [[FINAL]]
|
|
; CHECK: final:
|
|
; CHECK-NEXT: [[A:%.*]] = phi <2 x i32> [ <i32 915, i32 2185>, [[ENTRY:%.*]] ], [ <i32 113, i32 339>, [[DELAY]] ]
|
|
; CHECK-NEXT: ret <2 x i32> [[A]]
|
|
;
|
|
entry:
|
|
br i1 %which, label %final, label %delay
|
|
|
|
delay:
|
|
br label %final
|
|
|
|
final:
|
|
%A = phi <2 x i32> [ <i32 1000, i32 2500>, %entry ], [ <i32 10, i32 30>, %delay ]
|
|
%value = xor <2 x i32> %A, <i32 123, i32 333>
|
|
ret <2 x i32> %value
|
|
}
|
|
|
|
define i32 @test31(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test31(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[B:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = or i32 %A, %B
|
|
%xor = xor i32 %B, %and
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test32(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test32(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[B:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = or i32 %B, %A
|
|
%xor = xor i32 %B, %and
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test33(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test33(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[B:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = or i32 %A, %B
|
|
%xor = xor i32 %and, %B
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test34(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test34(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[B:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[A:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = or i32 %B, %A
|
|
%xor = xor i32 %and, %B
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test35(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test35(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = and i32 %A, %B
|
|
%xor = xor i32 %B, %and
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test36(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test36(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = and i32 %B, %A
|
|
%xor = xor i32 %B, %and
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test37(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test37(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = and i32 %A, %B
|
|
%xor = xor i32 %and, %B
|
|
ret i32 %xor
|
|
}
|
|
|
|
define i32 @test38(i32 %A, i32 %B) {
|
|
; CHECK-LABEL: @test38(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[A:%.*]], -1
|
|
; CHECK-NEXT: [[XOR:%.*]] = and i32 [[TMP1]], [[B:%.*]]
|
|
; CHECK-NEXT: ret i32 [[XOR]]
|
|
;
|
|
%and = and i32 %B, %A
|
|
%xor = xor i32 %and, %B
|
|
ret i32 %xor
|
|
}
|
|
|
|
; The tests 39-47 are related to the canonicalization:
|
|
; %notx = xor i32 %x, -1
|
|
; %cmp = icmp sgt i32 %notx, %y
|
|
; %smax = select i1 %cmp, i32 %notx, i32 %y
|
|
; %res = xor i32 %smax, -1
|
|
; =>
|
|
; %noty = xor i32 %y, -1
|
|
; %cmp2 = icmp slt %x, %noty
|
|
; %res = select i1 %cmp2, i32 %x, i32 %noty
|
|
;
|
|
; Same transformations is valid for smin/umax/umin.
|
|
|
|
define i32 @test39(i32 %x) {
|
|
; CHECK-LABEL: @test39(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[X:%.*]], 255
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP1]], i32 [[X]], i32 255
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%1 = xor i32 %x, -1
|
|
%2 = icmp sgt i32 %1, -256
|
|
%3 = select i1 %2, i32 %1, i32 -256
|
|
%res = xor i32 %3, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test40(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test40(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[Y:%.*]], -1
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[TMP1]], [[X:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP2]], i32 [[X]], i32 [[TMP1]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp sgt i32 %notx, %y
|
|
%smax = select i1 %cmp1, i32 %notx, i32 %y
|
|
%res = xor i32 %smax, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test41(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test41(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[Y:%.*]], -1
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i32 [[TMP1]], [[X:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP2]], i32 [[X]], i32 [[TMP1]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp slt i32 %notx, %y
|
|
%smin = select i1 %cmp1, i32 %notx, i32 %y
|
|
%res = xor i32 %smin, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test42(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test42(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[Y:%.*]], -1
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt i32 [[TMP1]], [[X:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP2]], i32 [[X]], i32 [[TMP1]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp ugt i32 %notx, %y
|
|
%umax = select i1 %cmp1, i32 %notx, i32 %y
|
|
%res = xor i32 %umax, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test43(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test43(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = xor i32 [[Y:%.*]], -1
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[TMP1]], [[X:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP2]], i32 [[X]], i32 [[TMP1]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp ult i32 %notx, %y
|
|
%umin = select i1 %cmp1, i32 %notx, i32 %y
|
|
%res = xor i32 %umin, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test44(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test44(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = sub i32 -4, [[Y:%.*]]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = icmp ult i32 [[TMP1]], [[X:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = select i1 [[TMP2]], i32 [[X]], i32 [[TMP1]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%z = add i32 %y, 3 ; thwart complexity-based canonicalization
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp ult i32 %z, %notx
|
|
%umin = select i1 %cmp1, i32 %z, i32 %notx
|
|
%res = xor i32 %umin, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
define i32 @test45(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @test45(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i32 [[Y:%.*]], [[X:%.*]]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[Y]], i32 [[X]]
|
|
; CHECK-NEXT: ret i32 [[TMP2]]
|
|
;
|
|
%z = xor i32 %y, -1
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp ult i32 %z, %notx
|
|
%umin = select i1 %cmp1, i32 %z, i32 %notx
|
|
%res = xor i32 %umin, -1
|
|
ret i32 %res
|
|
}
|
|
|
|
; Check that we work with splat vectors also.
|
|
define <4 x i32> @test46(<4 x i32> %x) {
|
|
; CHECK-LABEL: @test46(
|
|
; CHECK-NEXT: [[TMP1:%.*]] = icmp slt <4 x i32> [[X:%.*]], <i32 255, i32 255, i32 255, i32 255>
|
|
; CHECK-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[X]], <4 x i32> <i32 255, i32 255, i32 255, i32 255>
|
|
; CHECK-NEXT: ret <4 x i32> [[TMP2]]
|
|
;
|
|
%1 = xor <4 x i32> %x, <i32 -1, i32 -1, i32 -1, i32 -1>
|
|
%2 = icmp sgt <4 x i32> %1, <i32 -256, i32 -256, i32 -256, i32 -256>
|
|
%3 = select <4 x i1> %2, <4 x i32> %1, <4 x i32> <i32 -256, i32 -256, i32 -256, i32 -256>
|
|
%4 = xor <4 x i32> %3, <i32 -1, i32 -1, i32 -1, i32 -1>
|
|
ret <4 x i32> %4
|
|
}
|
|
|
|
; Test case when select pattern has more than one use.
|
|
define i32 @test47(i32 %x, i32 %y, i32 %z) {
|
|
; CHECK-LABEL: @test47(
|
|
; CHECK-NEXT: [[NOTX:%.*]] = xor i32 [[X:%.*]], -1
|
|
; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i32 [[NOTX]], [[Y:%.*]]
|
|
; CHECK-NEXT: [[UMAX:%.*]] = select i1 [[CMP1]], i32 [[NOTX]], i32 [[Y]]
|
|
; CHECK-NEXT: [[UMIN:%.*]] = xor i32 [[UMAX]], -1
|
|
; CHECK-NEXT: [[ADD:%.*]] = add i32 [[UMAX]], [[Z:%.*]]
|
|
; CHECK-NEXT: [[RES:%.*]] = mul i32 [[ADD]], [[UMIN]]
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
%notx = xor i32 %x, -1
|
|
%cmp1 = icmp ugt i32 %notx, %y
|
|
%umax = select i1 %cmp1, i32 %notx, i32 %y
|
|
%umin = xor i32 %umax, -1
|
|
%add = add i32 %umax, %z
|
|
%res = mul i32 %umin, %add
|
|
ret i32 %res
|
|
}
|