llvm-6502/test/CodeGen/PowerPC/named-reg-alloc-r1-64.ll
Hal Finkel 70a83b490e [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
2014-05-11 19:29:11 +00:00

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474 B
LLVM

; RUN: llc < %s -mtriple=powerpc64-apple-darwin 2>&1 | FileCheck %s --check-prefix=CHECK-DARWIN
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu 2>&1 | FileCheck %s
define i64 @get_reg() nounwind {
entry:
%reg = call i64 @llvm.read_register.i64(metadata !0)
ret i64 %reg
; CHECK-LABEL: @get_reg
; CHECK: mr 3, 1
; CHECK-DARWIN-LABEL: @get_reg
; CHECK-DARWIN: mr r3, r1
}
declare i64 @llvm.read_register.i64(metadata) nounwind
!0 = metadata !{metadata !"r1\00"}