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| author | Robert Lytton <robert@xmos.com> | 2014-01-06 14:21:00 +0000 |
|---|---|---|
| committer | Robert Lytton <robert@xmos.com> | 2014-01-06 14:21:00 +0000 |
| commit | af74cbf553073b701fc570c7ef9b1446111ac9b6 (patch) | |
| tree | 80c553a5b9d705896aad7a5d32133cc14eafd16f /test/CodeGen/XCore | |
| parent | 12ad7cd730cb0575a6d03cccd6073af8e9486f3f (diff) | |
| download | llvm-af74cbf553073b701fc570c7ef9b1446111ac9b6.tar.gz llvm-af74cbf553073b701fc570c7ef9b1446111ac9b6.tar.bz2 llvm-af74cbf553073b701fc570c7ef9b1446111ac9b6.tar.xz | |
XCore target: Lower FRAME_TO_ARGS_OFFSET
This requires a knowledge of the stack size which is not known until
the frame is complete, hence the need for the XCoreFTAOElim pass
which lowers the XCoreISD::FRAME_TO_ARGS_OFFSET instrution into its
final form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198614 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/XCore')
| -rw-r--r-- | test/CodeGen/XCore/llvm-intrinsics.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/llvm-intrinsics.ll b/test/CodeGen/XCore/llvm-intrinsics.ll index 14b299d46e..55b77ac9e6 100644 --- a/test/CodeGen/XCore/llvm-intrinsics.ll +++ b/test/CodeGen/XCore/llvm-intrinsics.ll @@ -44,3 +44,29 @@ entry: %1 = call i8* @llvm.returnaddress(i32 0) ret i8* %1 } + +; test FRAME_TO_ARGS_OFFSET lowering +declare i8* @llvm.eh.dwarf.cfa(i32) nounwind +define i8* @FTAO0() nounwind { +entry: +; CHECK-LABEL: FTAO0 +; CHECK: ldc r0, 0 +; CHECK-NEXT: ldaw r1, sp[0] +; CHECK-NEXT: add r0, r1, r0 +; CHECK-NEXT: retsp 0 + %0 = call i8* @llvm.eh.dwarf.cfa(i32 0) + ret i8* %0 +} + +define i8* @FTAO1() nounwind { +entry: +; CHECK-LABEL: FTAO1 +; CHECK: entsp 100 +; CHECK-NEXT: ldc r0, 400 +; CHECK-NEXT: ldaw r1, sp[0] +; CHECK-NEXT: add r0, r1, r0 +; CHECK-NEXT: retsp 100 + %0 = alloca [100 x i32] + %1 = call i8* @llvm.eh.dwarf.cfa(i32 0) + ret i8* %1 +} |