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89 lines
2.1 KiB
LLVM
89 lines
2.1 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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define i64 @test1(i64 %A, i32 %B) {
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%tmp12 = zext i32 %B to i64
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%tmp3 = shl i64 %tmp12, 32
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%tmp5 = add i64 %tmp3, %A
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%tmp6 = and i64 %tmp5, 123
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ret i64 %tmp6
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: and i64 %A, 123
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; CHECK-NEXT: ret i64
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}
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define i32 @test2(i32 %A) {
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%B = and i32 %A, 7
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%C = and i32 %A, 32
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%F = add i32 %B, %C
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ret i32 %F
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: and i32 %A, 39
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; CHECK-NEXT: ret i32
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}
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define i32 @test3(i32 %A) {
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%B = and i32 %A, 128
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%C = lshr i32 %A, 30
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%F = add i32 %B, %C
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ret i32 %F
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: and
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; CHECK-NEXT: lshr
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; CHECK-NEXT: or i32 %B, %C
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; CHECK-NEXT: ret i32
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}
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define i32 @test4(i32 %A) {
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%B = add nuw i32 %A, %A
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ret i32 %B
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: %B = shl nuw i32 %A, 1
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; CHECK-NEXT: ret i32 %B
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}
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define <2 x i1> @test5(<2 x i1> %A, <2 x i1> %B) {
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%add = add <2 x i1> %A, %B
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ret <2 x i1> %add
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: %add = xor <2 x i1> %A, %B
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; CHECK-NEXT: ret <2 x i1> %add
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}
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define <2 x i64> @test6(<2 x i64> %A) {
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%shl = shl <2 x i64> %A, <i64 2, i64 3>
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%add = add <2 x i64> %shl, %A
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ret <2 x i64> %add
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: %add = mul <2 x i64> %A, <i64 5, i64 9>
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; CHECK-NEXT: ret <2 x i64> %add
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}
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define <2 x i64> @test7(<2 x i64> %A) {
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%shl = shl <2 x i64> %A, <i64 2, i64 3>
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%mul = mul <2 x i64> %A, <i64 3, i64 4>
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%add = add <2 x i64> %shl, %mul
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ret <2 x i64> %add
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: %add = mul <2 x i64> %A, <i64 7, i64 12>
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; CHECK-NEXT: ret <2 x i64> %add
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}
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define <2 x i64> @test8(<2 x i64> %A) {
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%xor = xor <2 x i64> %A, <i64 -1, i64 -1>
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%add = add <2 x i64> %xor, <i64 2, i64 3>
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ret <2 x i64> %add
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: %add = sub <2 x i64> <i64 1, i64 2>, %A
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; CHECK-NEXT: ret <2 x i64> %add
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}
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define i16 @test9(i16 %a) {
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%b = mul i16 %a, 2
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%c = mul i16 %a, 32767
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%d = add i16 %b, %c
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ret i16 %d
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: %d = mul i16 %a, -32767
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; CHECK-NEXT: ret i16 %d
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}
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