127 lines
2.5 KiB
LLVM
127 lines
2.5 KiB
LLVM
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; RUN: opt < %s -instcombine -S | FileCheck %s
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; FIXME: Some of these tests belong in InstSimplify.
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; Integer BitWidth <= 64 && BitWidth % 8 != 0.
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define i39 @test0(i39 %A) {
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; CHECK-LABEL: @test0(
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; CHECK-NEXT: ret i39 0
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;
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%B = and i39 %A, 0 ; zero result
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ret i39 %B
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}
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define i15 @test2(i15 %x) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ret i15 %x
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;
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%tmp.2 = and i15 %x, -1 ; noop
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ret i15 %tmp.2
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}
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define i23 @test3(i23 %x) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: ret i23 0
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;
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%tmp.0 = and i23 %x, 127
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%tmp.2 = and i23 %tmp.0, 128
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ret i23 %tmp.2
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}
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define i1 @test4(i37 %x) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[B:%.*]] = icmp ugt i37 %x, 2147483647
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; CHECK-NEXT: ret i1 [[B]]
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;
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%A = and i37 %x, -2147483648
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%B = icmp ne i37 %A, 0
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ret i1 %B
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}
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define i7 @test5(i7 %A, i7* %P) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[B:%.*]] = or i7 %A, 3
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; CHECK-NEXT: [[C:%.*]] = xor i7 [[B]], 12
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; CHECK-NEXT: store i7 [[C]], i7* %P, align 1
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; CHECK-NEXT: ret i7 3
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;
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%B = or i7 %A, 3
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%C = xor i7 %B, 12
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store i7 %C, i7* %P
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%r = and i7 %C, 3
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ret i7 %r
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}
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define i47 @test7(i47 %A) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[TMP1:%.*]] = lshr i47 %A, 39
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; CHECK-NEXT: ret i47 [[TMP1]]
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;
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%X = ashr i47 %A, 39 ;; sign extend
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%C1 = and i47 %X, 255
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ret i47 %C1
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}
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; Integer BitWidth > 64 && BitWidth <= 1024.
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define i999 @test8(i999 %A) {
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: ret i999 0
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;
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%B = and i999 %A, 0 ; zero result
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ret i999 %B
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}
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define i1005 @test9(i1005 %x) {
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: ret i1005 %x
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;
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%tmp.2 = and i1005 %x, -1 ; noop
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ret i1005 %tmp.2
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}
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define i123 @test10(i123 %x) {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: ret i123 0
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;
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%tmp.0 = and i123 %x, 127
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%tmp.2 = and i123 %tmp.0, 128
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ret i123 %tmp.2
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}
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define i1 @test11(i737 %x) {
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; CHECK-LABEL: @test11(
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; CHECK-NEXT: [[B:%.*]] = icmp ugt i737 %x, 2147483647
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; CHECK-NEXT: ret i1 [[B]]
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;
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%A = and i737 %x, -2147483648
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%B = icmp ne i737 %A, 0
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ret i1 %B
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}
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define i117 @test12(i117 %A, i117* %P) {
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; CHECK-LABEL: @test12(
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; CHECK-NEXT: [[B:%.*]] = or i117 %A, 3
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; CHECK-NEXT: [[C:%.*]] = xor i117 [[B]], 12
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; CHECK-NEXT: store i117 [[C]], i117* %P, align 4
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; CHECK-NEXT: ret i117 3
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;
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%B = or i117 %A, 3
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%C = xor i117 %B, 12
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store i117 %C, i117* %P
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%r = and i117 %C, 3
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ret i117 %r
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}
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define i1024 @test13(i1024 %A) {
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; CHECK-LABEL: @test13(
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; CHECK-NEXT: [[TMP1:%.*]] = lshr i1024 %A, 1016
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; CHECK-NEXT: ret i1024 [[TMP1]]
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;
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%X = ashr i1024 %A, 1016 ;; sign extend
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%C1 = and i1024 %X, 255
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ret i1024 %C1
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}
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