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comparison test/Transforms/InstCombine/zext-or-icmp.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; RUN: opt < %s -instcombine -S | grep icmp | count 1
2
3 %struct.FooBar = type <{ i8, i8, [2 x i8], i8, i8, i8, i8, i16, i16, [4 x i8], [8 x %struct.Rock] }>
4 %struct.Rock = type { i16, i16 }
5 @some_idx = internal constant [4 x i8] c"\0A\0B\0E\0F" ; <[4 x i8]*> [#uses=1]
6
7 define zeroext i8 @t(%struct.FooBar* %up, i8 zeroext %intra_flag, i32 %blk_i) nounwind {
8 entry:
9 %tmp2 = lshr i32 %blk_i, 1 ; <i32> [#uses=1]
10 %tmp3 = and i32 %tmp2, 2 ; <i32> [#uses=1]
11 %tmp5 = and i32 %blk_i, 1 ; <i32> [#uses=1]
12 %tmp6 = or i32 %tmp3, %tmp5 ; <i32> [#uses=1]
13 %tmp8 = getelementptr %struct.FooBar* %up, i32 0, i32 7 ; <i16*> [#uses=1]
14 %tmp9 = load i16* %tmp8, align 1 ; <i16> [#uses=1]
15 %tmp910 = zext i16 %tmp9 to i32 ; <i32> [#uses=1]
16 %tmp12 = getelementptr [4 x i8]* @some_idx, i32 0, i32 %tmp6 ; <i8*> [#uses=1]
17 %tmp13 = load i8* %tmp12, align 1 ; <i8> [#uses=1]
18 %tmp1314 = zext i8 %tmp13 to i32 ; <i32> [#uses=1]
19 %tmp151 = lshr i32 %tmp910, %tmp1314 ; <i32> [#uses=1]
20 %tmp1516 = trunc i32 %tmp151 to i8 ; <i8> [#uses=1]
21 %tmp18 = getelementptr %struct.FooBar* %up, i32 0, i32 0 ; <i8*> [#uses=1]
22 %tmp19 = load i8* %tmp18, align 1 ; <i8> [#uses=1]
23 %tmp22 = and i8 %tmp1516, %tmp19 ; <i8> [#uses=1]
24 %tmp24 = getelementptr %struct.FooBar* %up, i32 0, i32 0 ; <i8*> [#uses=1]
25 %tmp25 = load i8* %tmp24, align 1 ; <i8> [#uses=1]
26 %tmp26.mask = and i8 %tmp25, 1 ; <i8> [#uses=1]
27 %toBool = icmp eq i8 %tmp26.mask, 0 ; <i1> [#uses=1]
28 %toBool.not = xor i1 %toBool, true ; <i1> [#uses=1]
29 %toBool33 = icmp eq i8 %intra_flag, 0 ; <i1> [#uses=1]
30 %bothcond = or i1 %toBool.not, %toBool33 ; <i1> [#uses=1]
31 %iftmp.1.0 = select i1 %bothcond, i8 0, i8 1 ; <i8> [#uses=1]
32 %tmp40 = or i8 %tmp22, %iftmp.1.0 ; <i8> [#uses=1]
33 %tmp432 = and i8 %tmp40, 1 ; <i8> [#uses=1]
34 ret i8 %tmp432
35 }