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author | Reid Spencer <rspencer@reidspencer.com> | 2007-01-16 18:08:22 +0000 |
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committer | Reid Spencer <rspencer@reidspencer.com> | 2007-01-16 18:08:22 +0000 |
commit | c0948366f6cbec12d2c87f9cb4a1cea1435cf02a (patch) | |
tree | 5b7576753297038f1b9434f916c513132b9f5f3e /test/Integer/varargs_new_bt.ll | |
parent | a80cc93f103a3033f90a47d5e316c32d5e5a8826 (diff) | |
download | external_llvm-c0948366f6cbec12d2c87f9cb4a1cea1435cf02a.zip external_llvm-c0948366f6cbec12d2c87f9cb4a1cea1435cf02a.tar.gz external_llvm-c0948366f6cbec12d2c87f9cb4a1cea1435cf02a.tar.bz2 |
New test cases for bit accurate integers developed by Guoling Han.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33259 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Integer/varargs_new_bt.ll')
-rw-r--r-- | test/Integer/varargs_new_bt.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/Integer/varargs_new_bt.ll b/test/Integer/varargs_new_bt.ll new file mode 100644 index 0000000..f420ec1 --- /dev/null +++ b/test/Integer/varargs_new_bt.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as %s -o - | llvm-dis > %t1.ll +; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll +; RUN: diff %t1.ll %t2.ll + +; Demonstrate all of the variable argument handling intrinsic functions plus +; the va_arg instruction. + +implementation ; Functions: +declare void %llvm.va_start(i8**) +declare void %llvm.va_copy(i8**, i8*) +declare void %llvm.va_end(i8**) + +define i31 %test(i31 %X, ...) { + ; Allocate two va_list items. On this target, va_list is of type i8* + %ap = alloca i8* ; <i8**> [#uses=4] + %aq = alloca i8* ; <i8**> [#uses=2] + + ; Initialize variable argument processing + call void %llvm.va_start(i8** %ap) + + ; Read a single integer argument + %tmp = va_arg i8** %ap, i31 ; <i31> [#uses=1] + + ; Demonstrate usage of llvm.va_copy and llvm_va_end + %apv = load i8** %ap ; <i8*> [#uses=1] + call void %llvm.va_copy(i8** %aq, i8* %apv) + call void %llvm.va_end(i8** %aq) + + ; Stop processing of arguments. + call void %llvm.va_end(i8** %ap) + ret i31 %tmp + +} |