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X11/X2 loads around indirect calls on ppc64 should not be deleted.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151374 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2012-02-24 17:54:01 +00:00
parent f77c03a859
commit 3161039cf3
2 changed files with 8 additions and 2 deletions
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6
lib/Target/PowerPC/PPCInstr64Bit.td
View File

@ -106,7 +106,7 @@ let isCall = 1, PPC970_Unit = 7,
(outs), (ins aaddr:$func, variable_ops),
"bla $func", BrB, [(PPCcall_SVR4 (i64 imm:$func))]>;
}
let Uses = [CTR8, RM] in {
let Uses = [X11, CTR8, RM] in {
def BCTRL8_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
(outs), (ins variable_ops),
"bctrl", BrB,
@ -575,7 +575,8 @@ def LDtoc: Pseudo<(outs G8RC:$rD), (ins tocentry:$disp, G8RC:$reg),
"",
[(set G8RC:$rD,
(PPCtoc_entry tglobaladdr:$disp, G8RC:$reg))]>, isPPC64;
let hasSideEffects = 1 in {
let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
def LDinto_toc: DSForm_1<58, 0, (outs), (ins G8RC:$reg),
"ld 2, 8($reg)", LdStLD,
@ -585,6 +586,7 @@ let RST = 2, DS_RA = 0 in // FIXME: Should be a pseudo.
def LDtoc_restore : DSForm_1<58, 0, (outs), (ins),
"ld 2, 40(1)", LdStLD,
[(PPCtoc_restore)]>, isPPC64;
}
def LDX : XForm_1<31, 21, (outs G8RC:$rD), (ins memrr:$src),
"ldx $rD, $src", LdStLD,
[(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;

4
test/CodeGen/PowerPC/ppc64-ind-call.ll
View File

@ -9,4 +9,8 @@ entry:
}
; CHECK: @test1
; CHECK: ld 11, 0(3)
; CHECK: ld 2, 8(3)
; CHECK: bctrl
; CHECK: ld 2, 40(1)