| // RUN: %clang_cc1 -O2 -emit-llvm %s -o - | not grep alloca | |
| // RUN: %clang_cc1 -triple i686-pc-linux-gnu -O2 -emit-llvm %s -o - | not grep store | |
| enum { | |
| PP_C, | |
| PP_D, | |
| PP_R, | |
| PP_2D, | |
| PP_1D, | |
| PP_SR, | |
| PP_S2D, | |
| PP_S1D, | |
| PP_SC | |
| }; | |
| enum { | |
| G_VP, | |
| G_FP, | |
| G_VS, | |
| G_GS, | |
| G_FS | |
| }; | |
| enum { | |
| G_NONE, | |
| G_B, | |
| G_R | |
| }; | |
| typedef union _Key { | |
| struct { | |
| unsigned int count : 2; | |
| unsigned int Aconst : 1; | |
| unsigned int Bconst : 1; | |
| unsigned int Cconst : 1; | |
| unsigned int Xused : 1; | |
| unsigned int Yused : 1; | |
| unsigned int Zused : 1; | |
| unsigned int Wused : 1; | |
| unsigned int ttype : 3; | |
| unsigned int scalar : 1; | |
| unsigned int AType : 4; | |
| unsigned int BType : 4; | |
| unsigned int CType : 4; | |
| unsigned int RType : 4; | |
| unsigned int Size : 2; | |
| unsigned int prec : 1; | |
| unsigned int ASize : 2; | |
| unsigned int BSize : 2; | |
| unsigned int CSize : 2; | |
| unsigned int tTex : 4; | |
| unsigned int proj : 1; | |
| unsigned int lod : 2; | |
| unsigned int dvts : 1; | |
| unsigned int uipad : 18; | |
| } key_io; | |
| struct { | |
| unsigned int key0; | |
| unsigned int key1; | |
| } key; | |
| unsigned long long lkey; | |
| } Key; | |
| static void foo(const Key iospec, int* ret) | |
| { | |
| *ret=0; | |
| if(((iospec.key_io.lod == G_B) && | |
| (iospec.key_io.ttype != G_VS) && | |
| (iospec.key_io.ttype != G_GS) && | |
| (iospec.key_io.ttype != G_FS)) || | |
| (((iospec.key_io.tTex == PP_C) || | |
| (iospec.key_io.tTex == PP_SC)) && | |
| ((iospec.key_io.tTex == PP_SR) || | |
| (iospec.key_io.tTex == PP_S2D) || | |
| (iospec.key_io.tTex == PP_S1D) || | |
| (iospec.key_io.tTex == PP_SC)))) | |
| *ret=1; | |
| } | |
| extern int bar(unsigned long long key_token2) | |
| { | |
| int ret; | |
| __attribute__ ((unused)) Key iospec = (Key) key_token2; | |
| foo(iospec, &ret); | |
| return ret; | |
| } |