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94 lines
2.1 KiB
LLVM
94 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -instsimplify | FileCheck %s
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declare i16 @llvm.bswap.i16(i16)
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declare <2 x i16> @llvm.bswap.v2i16(<2 x i16>)
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define i1 @test1(i16 %arg) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: ret i1 false
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;
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%a = or i16 %arg, 1
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%b = call i16 @llvm.bswap.i16(i16 %a)
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%res = icmp eq i16 %b, 0
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ret i1 %res
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}
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define i1 @test1v(<2 x i16> %arg) {
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; CHECK-LABEL: @test1v(
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; CHECK-NEXT: ret i1 false
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;
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%a = or <2 x i16> %arg, <i16 1, i16 0>
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%b = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %a)
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%c = extractelement <2 x i16> %b, i32 0
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%res = icmp eq i16 %c, 0
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ret i1 %res
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}
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define i1 @test2(i16 %arg) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret i1 false
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;
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%a = or i16 %arg, 1024
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%b = call i16 @llvm.bswap.i16(i16 %a)
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%res = icmp eq i16 %b, 0
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ret i1 %res
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}
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define i1 @test2v(<2 x i16> %arg) {
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; CHECK-LABEL: @test2v(
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; CHECK-NEXT: ret i1 false
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;
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%a = or <2 x i16> %arg, <i16 0, i16 1024>
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%b = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %a)
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%c = extractelement <2 x i16> %b, i32 1
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%res = icmp eq i16 %c, 0
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ret i1 %res
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}
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define i1 @test3(i16 %arg) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: ret i1 false
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;
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%a = and i16 %arg, 1
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%b = call i16 @llvm.bswap.i16(i16 %a)
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%and = and i16 %b, 1
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%res = icmp eq i16 %and, 1
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ret i1 %res
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}
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define i1 @test3v(<2 x i16> %arg) {
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; CHECK-LABEL: @test3v(
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; CHECK-NEXT: ret i1 false
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;
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%a = and <2 x i16> %arg, <i16 1, i16 -1>
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%b = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %a)
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%c = extractelement <2 x i16> %b, i32 0
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%and = and i16 %c, 1
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%res = icmp eq i16 %and, 1
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ret i1 %res
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}
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define i1 @test4(i16 %arg) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: ret i1 false
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;
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%a = and i16 %arg, 511
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%b = call i16 @llvm.bswap.i16(i16 %a)
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%and = and i16 %b, 256
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%res = icmp eq i16 %and, 1
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ret i1 %res
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}
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define i1 @test4v(<2 x i16> %arg) {
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; CHECK-LABEL: @test4v(
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; CHECK-NEXT: ret i1 false
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;
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%a = and <2 x i16> %arg, <i16 511, i16 511>
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%b = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %a)
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%and = and <2 x i16> %b, <i16 255, i16 256>
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%ext = extractelement <2 x i16> %and, i32 1
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%res = icmp eq i16 %ext, 1
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ret i1 %res
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}
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