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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 | 0d8db4679998706a3c02f2a52cfb6ce1cd8d8a85 (patch) | |
| tree | bf14ea5ae0d3886fc70bffe9d485268d87a322b9 /llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll | |
| parent | f0e086a0bc7eaee4a97082531aac856303d3208b (diff) | |
| download | bcm5719-llvm-0d8db4679998706a3c02f2a52cfb6ce1cd8d8a85.tar.gz bcm5719-llvm-0d8db4679998706a3c02f2a52cfb6ce1cd8d8a85.zip | |
[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).
llvm-svn: 208509
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll b/llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll new file mode 100644 index 00000000000..51e7e3ee033 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/named-reg-alloc-r2.ll @@ -0,0 +1,18 @@ +; RUN: not llc < %s -mtriple=powerpc-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: +; FIXME: Include an allocatable-specific error message +; CHECK-DARWIN: Invalid register name global variable + %reg = call i32 @llvm.read_register.i32(metadata !0) + ret i32 %reg + +; CHECK-LABEL: @get_reg +; CHECK: mr 3, 2 +} + +declare i32 @llvm.read_register.i32(metadata) nounwind + +!0 = metadata !{metadata !"r2\00"} |
