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| author | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
| commit | dce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch) | |
| tree | dcebc53f2b182f145a2e659393bf9a0472cedf23 /test/CodeGen/AArch64/arm64-stackpointer.ll | |
| parent | 220b921aed042f9e520c26cffd8282a94c66c3d5 (diff) | |
| download | external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.gz external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.bz2 external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.zip | |
Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'test/CodeGen/AArch64/arm64-stackpointer.ll')
| -rw-r--r-- | test/CodeGen/AArch64/arm64-stackpointer.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-stackpointer.ll b/test/CodeGen/AArch64/arm64-stackpointer.ll new file mode 100644 index 0000000000..581faf130f --- /dev/null +++ b/test/CodeGen/AArch64/arm64-stackpointer.ll @@ -0,0 +1,24 @@ +; RUN: llc < %s -mtriple=arm64-linux-gnu | FileCheck %s + +define i64 @get_stack() nounwind { +entry: +; CHECK-LABEL: get_stack: +; CHECK: mov x0, sp + %sp = call i64 @llvm.read_register.i64(metadata !0) + ret i64 %sp +} + +define void @set_stack(i64 %val) nounwind { +entry: +; CHECK-LABEL: set_stack: +; CHECK: mov sp, x0 + call void @llvm.write_register.i64(metadata !0, i64 %val) + ret void +} + +declare i64 @llvm.read_register.i64(metadata) nounwind +declare void @llvm.write_register.i64(metadata, i64) nounwind + +; register unsigned long current_stack_pointer asm("sp"); +; CHECK-NOT: .asciz "sp" +!0 = metadata !{metadata !"sp\00"} |