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llvm-mirror/test/CodeGen/PowerPC/varargs.ll
Hal Finkel 3edf100dda Don't reserve R2 on Darwin/PPC
Now that only the register-scavenger version of the CR spilling code remains,
we no longer need the Darwin R2 hack. Darwin can use R0 as a spare register in
any case where the System V ABI uses it (R0 is special architecturally, and so
is reserved under all common ABIs).

A few test cases needed to be updated to reflect the register-allocation changes.

llvm-svn: 176868
2013-03-12 15:18:14 +00:00

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477 B
LLVM

; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=P32 %s
; RUN: llc < %s -mtriple=powerpc64-apple-darwin | FileCheck -check-prefix=P64 %s
; PR8327
define i8* @test1(i8** %foo) nounwind {
%A = va_arg i8** %foo, i8*
ret i8* %A
}
; P32: test1:
; P32: lwz r2, 0(r3)
; P32: addi r4, r2, 4
; P32: stw r4, 0(r3)
; P32: lwz r3, 0(r2)
; P32: blr
; P64: test1:
; P64: ld r2, 0(r3)
; P64: addi r4, r2, 8
; P64: std r4, 0(r3)
; P64: ld r3, 0(r2)
; P64: blr