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