58 lines
1.9 KiB
LLVM
58 lines
1.9 KiB
LLVM
; RUN: opt -instcombine -instcombine-infinite-loop-threshold=2 -S < %s | FileCheck %s
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; <rdar://problem/8606771>
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define i32 @main(i32 %argc) {
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; CHECK-LABEL: @main(
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; CHECK-NEXT: [[TMP3151:%.*]] = trunc i32 %argc to i8
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; CHECK-NEXT: [[TMP1:%.*]] = shl i8 [[TMP3151]], 5
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; CHECK-NEXT: [[TMP4126:%.*]] = and i8 [[TMP1]], 64
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; CHECK-NEXT: [[TMP4127:%.*]] = xor i8 [[TMP4126]], 64
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; CHECK-NEXT: [[TMP4086:%.*]] = zext i8 [[TMP4127]] to i32
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; CHECK-NEXT: ret i32 [[TMP4086]]
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;
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%tmp3151 = trunc i32 %argc to i8
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%tmp3161 = or i8 %tmp3151, -17
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%tmp3162 = and i8 %tmp3151, 122
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%tmp3163 = xor i8 %tmp3162, -17
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%tmp4114 = shl i8 %tmp3163, 6
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%tmp4115 = xor i8 %tmp4114, %tmp3163
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%tmp4120 = xor i8 %tmp3161, %tmp4115
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%tmp4126 = lshr i8 %tmp4120, 7
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%tmp4127 = mul i8 %tmp4126, 64
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%tmp4086 = zext i8 %tmp4127 to i32
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ret i32 %tmp4086
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}
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; rdar://8739316
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define i8 @foo(i8 %arg, i8 %arg1) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: [[TMP:%.*]] = shl i8 %arg, 7
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; CHECK-NEXT: [[TMP2:%.*]] = and i8 %arg1, 84
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; CHECK-NEXT: [[TMP3:%.*]] = and i8 %arg1, -118
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; CHECK-NEXT: [[TMP4:%.*]] = and i8 %arg1, 33
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; CHECK-NEXT: [[TMP5:%.*]] = sub nsw i8 40, [[TMP2]]
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; CHECK-NEXT: [[TMP6:%.*]] = and i8 [[TMP5]], 84
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; CHECK-NEXT: [[TMP7:%.*]] = or i8 [[TMP4]], [[TMP6]]
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; CHECK-NEXT: [[TMP8:%.*]] = xor i8 [[TMP]], [[TMP3]]
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; CHECK-NEXT: [[TMP9:%.*]] = or i8 [[TMP7]], [[TMP8]]
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; CHECK-NEXT: [[TMP10:%.*]] = lshr i8 [[TMP8]], 7
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; CHECK-NEXT: [[TMP11:%.*]] = shl nuw nsw i8 [[TMP10]], 5
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; CHECK-NEXT: [[TMP12:%.*]] = xor i8 [[TMP11]], [[TMP9]]
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; CHECK-NEXT: ret i8 [[TMP12]]
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;
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%tmp = shl i8 %arg, 7
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%tmp2 = and i8 %arg1, 84
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%tmp3 = and i8 %arg1, -118
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%tmp4 = and i8 %arg1, 33
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%tmp5 = sub i8 -88, %tmp2
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%tmp6 = and i8 %tmp5, 84
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%tmp7 = or i8 %tmp4, %tmp6
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%tmp8 = xor i8 %tmp, %tmp3
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%tmp9 = or i8 %tmp7, %tmp8
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%tmp10 = lshr i8 %tmp8, 7
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%tmp11 = shl i8 %tmp10, 5
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%tmp12 = xor i8 %tmp11, %tmp9
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ret i8 %tmp12
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}
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