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| author | Hal Finkel <hfinkel@anl.gov> | 2014-05-11 19:29:11 +0000 |
|---|---|---|
| committer | Hal Finkel <hfinkel@anl.gov> | 2014-05-11 19:29:11 +0000 |
| commit | 70a83b490ea9e2e9c5ae4991a8c71248467974c8 (patch) | |
| tree | fd1b86d25cf4b3a6f29d80b7943f4048ae56b5c7 /test/CodeGen/PowerPC/named-reg-alloc-r1.ll | |
| parent | 24f554f05277413fd8ec77f80c3241d0298ab57f (diff) | |
[PowerPC] Add global named register support
Support for the intrinsics that read from and write to global named registers
is added for r1, r2 and r13 (depending on the subtarget).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208509 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/named-reg-alloc-r1.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/named-reg-alloc-r1.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/named-reg-alloc-r1.ll b/test/CodeGen/PowerPC/named-reg-alloc-r1.ll new file mode 100644 index 00000000000..9d0eb34caa5 --- /dev/null +++ b/test/CodeGen/PowerPC/named-reg-alloc-r1.ll @@ -0,0 +1,20 @@ +; RUN: llc < %s -mtriple=powerpc-apple-darwin 2>&1 | FileCheck %s --check-prefix=CHECK-DARWIN +; RUN: llc < %s -mtriple=powerpc64-apple-darwin 2>&1 | FileCheck %s --check-prefix=CHECK-DARWIN +; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu 2>&1 | FileCheck %s +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu 2>&1 | FileCheck %s + +define i32 @get_reg() nounwind { +entry: + %reg = call i32 @llvm.read_register.i32(metadata !0) + ret i32 %reg + +; CHECK-LABEL: @get_reg +; CHECK: mr 3, 1 + +; CHECK-DARWIN-LABEL: @get_reg +; CHECK-DARWIN: mr r3, r1 +} + +declare i32 @llvm.read_register.i32(metadata) nounwind + +!0 = metadata !{metadata !"r1\00"} |