1 // RUN: %clang_cc1 -O2 -emit-llvm %s -o - | not grep alloca 2 // RUN: %clang_cc1 -m32 -O2 -emit-llvm %s -o - | not grep {store } 3 4 enum { 5 PP_C, 6 PP_D, 7 PP_R, 8 PP_2D, 9 PP_1D, 10 PP_SR, 11 PP_S2D, 12 PP_S1D, 13 PP_SC 14 }; 15 16 enum { 17 G_VP, 18 G_FP, 19 G_VS, 20 G_GS, 21 G_FS 22 }; 23 24 enum { 25 G_NONE, 26 G_B, 27 G_R 28 }; 29 30 typedef union _Key { 31 struct { 32 unsigned int count : 2; 33 unsigned int Aconst : 1; 34 unsigned int Bconst : 1; 35 unsigned int Cconst : 1; 36 unsigned int Xused : 1; 37 unsigned int Yused : 1; 38 unsigned int Zused : 1; 39 unsigned int Wused : 1; 40 unsigned int ttype : 3; 41 unsigned int scalar : 1; 42 unsigned int AType : 4; 43 unsigned int BType : 4; 44 unsigned int CType : 4; 45 unsigned int RType : 4; 46 unsigned int Size : 2; 47 unsigned int prec : 1; 48 49 unsigned int ASize : 2; 50 unsigned int BSize : 2; 51 unsigned int CSize : 2; 52 unsigned int tTex : 4; 53 unsigned int proj : 1; 54 unsigned int lod : 2; 55 unsigned int dvts : 1; 56 unsigned int uipad : 18; 57 } key_io; 58 struct { 59 unsigned int key0; 60 unsigned int key1; 61 } key; 62 unsigned long long lkey; 63 } Key; 64 65 static void foo(const Key iospec, int* ret) 66 { 67 *ret=0; 68 if(((iospec.key_io.lod == G_B) && 69 (iospec.key_io.ttype != G_VS) && 70 (iospec.key_io.ttype != G_GS) && 71 (iospec.key_io.ttype != G_FS)) || 72 73 (((iospec.key_io.tTex == PP_C) || 74 (iospec.key_io.tTex == PP_SC)) && 75 ((iospec.key_io.tTex == PP_SR) || 76 (iospec.key_io.tTex == PP_S2D) || 77 (iospec.key_io.tTex == PP_S1D) || 78 (iospec.key_io.tTex == PP_SC)))) 79 *ret=1; 80 } 81 82 83 extern int bar(unsigned long long key_token2) 84 { 85 int ret; 86 __attribute__ ((unused)) Key iospec = (Key) key_token2; 87 foo(iospec, &ret); 88 return ret; 89 } 90
