| 1 | // RUN: %clang_cc1 -O2 -emit-llvm %s -o - | not grep alloca |
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| 2 | // RUN: %clang_cc1 -triple i686-pc-linux-gnu -O2 -emit-llvm %s -o - | not grep store |
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| 3 | |
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| 4 | enum { |
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| 5 | PP_C, |
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| 6 | PP_D, |
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| 7 | PP_R, |
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| 8 | PP_2D, |
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| 9 | PP_1D, |
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| 10 | PP_SR, |
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| 11 | PP_S2D, |
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| 12 | PP_S1D, |
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| 13 | PP_SC |
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| 14 | }; |
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| 15 | |
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| 16 | enum { |
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| 17 | G_VP, |
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| 18 | G_FP, |
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| 19 | G_VS, |
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| 20 | G_GS, |
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| 21 | G_FS |
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| 22 | }; |
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| 23 | |
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| 24 | enum { |
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| 25 | G_NONE, |
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| 26 | G_B, |
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| 27 | G_R |
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| 28 | }; |
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| 29 | |
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| 30 | typedef union _Key { |
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| 31 | struct { |
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| 32 | unsigned int count : 2; |
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| 33 | unsigned int Aconst : 1; |
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| 34 | unsigned int Bconst : 1; |
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| 35 | unsigned int Cconst : 1; |
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| 36 | unsigned int Xused : 1; |
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| 37 | unsigned int Yused : 1; |
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| 38 | unsigned int Zused : 1; |
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| 39 | unsigned int Wused : 1; |
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| 40 | unsigned int ttype : 3; |
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| 41 | unsigned int scalar : 1; |
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| 42 | unsigned int AType : 4; |
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| 43 | unsigned int BType : 4; |
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| 44 | unsigned int CType : 4; |
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| 45 | unsigned int RType : 4; |
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| 46 | unsigned int Size : 2; |
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| 47 | unsigned int prec : 1; |
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| 48 | |
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| 49 | unsigned int ASize : 2; |
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| 50 | unsigned int BSize : 2; |
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| 51 | unsigned int CSize : 2; |
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| 52 | unsigned int tTex : 4; |
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| 53 | unsigned int proj : 1; |
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| 54 | unsigned int lod : 2; |
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| 55 | unsigned int dvts : 1; |
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| 56 | unsigned int uipad : 18; |
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| 57 | } key_io; |
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| 58 | struct { |
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| 59 | unsigned int key0; |
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| 60 | unsigned int key1; |
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| 61 | } key; |
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| 62 | unsigned long long lkey; |
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| 63 | } Key; |
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| 64 | |
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| 65 | static void foo(const Key iospec, int* ret) |
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| 66 | { |
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| 67 | *ret=0; |
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| 68 | if(((iospec.key_io.lod == G_B) && |
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| 69 | (iospec.key_io.ttype != G_VS) && |
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| 70 | (iospec.key_io.ttype != G_GS) && |
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| 71 | (iospec.key_io.ttype != G_FS)) || |
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| 72 | |
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| 73 | (((iospec.key_io.tTex == PP_C) || |
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| 74 | (iospec.key_io.tTex == PP_SC)) && |
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| 75 | ((iospec.key_io.tTex == PP_SR) || |
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| 76 | (iospec.key_io.tTex == PP_S2D) || |
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| 77 | (iospec.key_io.tTex == PP_S1D) || |
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| 78 | (iospec.key_io.tTex == PP_SC)))) |
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| 79 | *ret=1; |
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| 80 | } |
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| 81 | |
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| 82 | |
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| 83 | extern int bar(unsigned long long key_token2) |
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| 84 | { |
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| 85 | int ret; |
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| 86 | __attribute__ ((unused)) Key iospec = (Key) key_token2; |
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| 87 | foo(iospec, &ret); |
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| 88 | return ret; |
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| 89 | } |
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| 90 | |
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