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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-01-17 23:20:43 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-01-17 23:20:43 +0000 |
| commit | 4cbd542dfe6e1ba221e729ce58df7526a84458e4 (patch) | |
| tree | 6d1f221bce41bf243f47b6d2a0659a5b88d4e600 /test/CodeGen/CBackend | |
| parent | 203d3e4386ff2b8e66378bf7cfb12ec25869b866 (diff) | |
| download | llvm-4cbd542dfe6e1ba221e729ce58df7526a84458e4.tar.gz llvm-4cbd542dfe6e1ba221e729ce58df7526a84458e4.tar.bz2 llvm-4cbd542dfe6e1ba221e729ce58df7526a84458e4.tar.xz | |
For PR1028:
Ensure the CBE generates calls to GCC builtins for stack_save and
stack_restore when it encounters the corresponding intrinsics.
Patch by Gordon Henriksen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33312 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/CBackend')
| -rw-r--r-- | test/CodeGen/CBackend/2007-01-17-StackSaveNRestore.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/CodeGen/CBackend/2007-01-17-StackSaveNRestore.ll b/test/CodeGen/CBackend/2007-01-17-StackSaveNRestore.ll new file mode 100644 index 0000000000..5694d2a714 --- /dev/null +++ b/test/CodeGen/CBackend/2007-01-17-StackSaveNRestore.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | llc -march=c | grep __builtin_stack_save +; RUN: llvm-as < %s | llc -march=c | grep __builtin_stack_restore +; PR1028 + +declare i8* %llvm.stacksave() +declare void %llvm.stackrestore(i8*) + +define i8* %test() { + %s = call i8* %llvm.stacksave() + call void %llvm.stackrestore(i8* %s) + ret i8* %s +} |