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author | Eric Christopher <echristo@apple.com> | 2011-07-26 22:17:02 +0000 |
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committer | Eric Christopher <echristo@apple.com> | 2011-07-26 22:17:02 +0000 |
commit | 85e5156598b1bbad0ae41cf4d0d5b845dd655ffd (patch) | |
tree | 8e736c3910a6382135cfa8b92e760e6e64a72ac3 /clang/test/CodeGen/2002-02-14-EntryNodePreds.c | |
parent | 2dfed48caea09e0654b33a76cd9ff501c00ff7ec (diff) | |
download | bcm5719-llvm-85e5156598b1bbad0ae41cf4d0d5b845dd655ffd.tar.gz bcm5719-llvm-85e5156598b1bbad0ae41cf4d0d5b845dd655ffd.zip |
Migrate most of the rest of test/FrontendC from llvm and migrate
most of them to FileCheck.
llvm-svn: 136159
Diffstat (limited to 'clang/test/CodeGen/2002-02-14-EntryNodePreds.c')
-rw-r--r-- | clang/test/CodeGen/2002-02-14-EntryNodePreds.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2002-02-14-EntryNodePreds.c b/clang/test/CodeGen/2002-02-14-EntryNodePreds.c new file mode 100644 index 00000000000..60d1104f966 --- /dev/null +++ b/clang/test/CodeGen/2002-02-14-EntryNodePreds.c @@ -0,0 +1,37 @@ +// RUN: %clang_cc1 -emit-llvm %s -o /dev/null + +/* GCC Used to generate code that contained a branch to the entry node of + * the do_merge function. This is illegal LLVM code. To fix this, GCC now + * inserts an entry node regardless of whether or not it has to insert allocas. + */ + +struct edge_rec +{ + struct VERTEX *v; + struct edge_rec *next; + int wasseen; + int more_data; +}; + +typedef struct edge_rec *QUAD_EDGE; + +typedef struct { + QUAD_EDGE left, right; +} EDGE_PAIR; + +struct EDGE_STACK { + int ptr; + QUAD_EDGE *elts; + int stack_size; +}; + +int do_merge(QUAD_EDGE ldo, QUAD_EDGE rdo) { + int lvalid; + QUAD_EDGE basel,rcand; + while (1) { + if (!lvalid) { + return (int)basel->next; + } + } +} + |