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36 lines
1.8 KiB
LLVM
36 lines
1.8 KiB
LLVM
; RUN: opt < %s -instcombine -S | grep icmp | count 1
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%struct.FooBar = type <{ i8, i8, [2 x i8], i8, i8, i8, i8, i16, i16, [4 x i8], [8 x %struct.Rock] }>
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%struct.Rock = type { i16, i16 }
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@some_idx = internal constant [4 x i8] c"\0A\0B\0E\0F" ; <[4 x i8]*> [#uses=1]
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define i8 @t(%struct.FooBar* %up, i8 zeroext %intra_flag, i32 %blk_i) zeroext nounwind {
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entry:
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%tmp2 = lshr i32 %blk_i, 1 ; <i32> [#uses=1]
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%tmp3 = and i32 %tmp2, 2 ; <i32> [#uses=1]
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%tmp5 = and i32 %blk_i, 1 ; <i32> [#uses=1]
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%tmp6 = or i32 %tmp3, %tmp5 ; <i32> [#uses=1]
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%tmp8 = getelementptr %struct.FooBar* %up, i32 0, i32 7 ; <i16*> [#uses=1]
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%tmp9 = load i16* %tmp8, align 1 ; <i16> [#uses=1]
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%tmp910 = zext i16 %tmp9 to i32 ; <i32> [#uses=1]
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%tmp12 = getelementptr [4 x i8]* @some_idx, i32 0, i32 %tmp6 ; <i8*> [#uses=1]
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%tmp13 = load i8* %tmp12, align 1 ; <i8> [#uses=1]
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%tmp1314 = zext i8 %tmp13 to i32 ; <i32> [#uses=1]
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%tmp151 = lshr i32 %tmp910, %tmp1314 ; <i32> [#uses=1]
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%tmp1516 = trunc i32 %tmp151 to i8 ; <i8> [#uses=1]
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%tmp18 = getelementptr %struct.FooBar* %up, i32 0, i32 0 ; <i8*> [#uses=1]
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%tmp19 = load i8* %tmp18, align 1 ; <i8> [#uses=1]
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%tmp22 = and i8 %tmp1516, %tmp19 ; <i8> [#uses=1]
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%tmp24 = getelementptr %struct.FooBar* %up, i32 0, i32 0 ; <i8*> [#uses=1]
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%tmp25 = load i8* %tmp24, align 1 ; <i8> [#uses=1]
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%tmp26.mask = and i8 %tmp25, 1 ; <i8> [#uses=1]
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%toBool = icmp eq i8 %tmp26.mask, 0 ; <i1> [#uses=1]
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%toBool.not = xor i1 %toBool, true ; <i1> [#uses=1]
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%toBool33 = icmp eq i8 %intra_flag, 0 ; <i1> [#uses=1]
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%bothcond = or i1 %toBool.not, %toBool33 ; <i1> [#uses=1]
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%iftmp.1.0 = select i1 %bothcond, i8 0, i8 1 ; <i8> [#uses=1]
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%tmp40 = or i8 %tmp22, %iftmp.1.0 ; <i8> [#uses=1]
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%tmp432 = and i8 %tmp40, 1 ; <i8> [#uses=1]
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ret i8 %tmp432
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}
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