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Add a missing PPC 64-bit stwu pattern.

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This seems to fix the remaining compile-time failures on PPC64 when
compiling with -enable-ppc-preinc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157159 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2012-05-20 17:11:24 +00:00
parent 79485315cd
commit 2e8e5c0eca
2 changed files with 36 additions and 0 deletions
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8
lib/Target/PowerPC/PPCInstr64Bit.td
View File

@ -660,6 +660,14 @@ def STHU8 : DForm_1a<45, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
iaddroff:$ptroff))]>,
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
def STWU8 : DForm_1a<37, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
symbolLo:$ptroff, ptr_rc:$ptrreg),
"stwu $rS, $ptroff($ptrreg)", LdStStore,
[(set ptr_rc:$ea_res,
(pre_truncsti32 G8RC:$rS, ptr_rc:$ptrreg,
iaddroff:$ptroff))]>,
RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
def STDU : DSForm_1a<62, 1, (outs ptr_rc:$ea_res), (ins G8RC:$rS,
s16immX4:$ptroff, ptr_rc:$ptrreg),
"stdu $rS, $ptroff($ptrreg)", LdStSTD,

28
test/CodeGen/PowerPC/stwu8.ll Normal file
View File

@ -0,0 +1,28 @@
; RUN: llc -enable-ppc-preinc < %s | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
%class.spell_checker.21.103.513.538 = type { %"class.std::map.20.102.512.537" }
%"class.std::map.20.102.512.537" = type { %"class.std::_Rb_tree.19.101.511.536" }
%"class.std::_Rb_tree.19.101.511.536" = type { %"struct.std::_Rb_tree<std::pair<const char *, const char *>, std::pair<const std::pair<const char *, const char *>, int>, std::_Select1st<std::pair<const std::pair<const char *, const char *>, int>>, std::less<std::pair<const char *, const char *>>, std::allocator<std::pair<const std::pair<const char *, const char *>, int>> >::_Rb_tree_impl.18.100.510.535" }
%"struct.std::_Rb_tree<std::pair<const char *, const char *>, std::pair<const std::pair<const char *, const char *>, int>, std::_Select1st<std::pair<const std::pair<const char *, const char *>, int>>, std::less<std::pair<const char *, const char *>>, std::allocator<std::pair<const std::pair<const char *, const char *>, int>> >::_Rb_tree_impl.18.100.510.535" = type { %"struct.std::less.16.98.508.533", %"struct.std::_Rb_tree_node_base.17.99.509.534", i64 }
%"struct.std::less.16.98.508.533" = type { i8 }
%"struct.std::_Rb_tree_node_base.17.99.509.534" = type { i32, %"struct.std::_Rb_tree_node_base.17.99.509.534"*, %"struct.std::_Rb_tree_node_base.17.99.509.534"*, %"struct.std::_Rb_tree_node_base.17.99.509.534"* }
define void @test1(%class.spell_checker.21.103.513.538* %this) unnamed_addr align 2 {
entry:
%_M_header.i.i.i.i.i.i = getelementptr inbounds %class.spell_checker.21.103.513.538* %this, i64 0, i32 0, i32 0, i32 0, i32 1
%0 = bitcast %"struct.std::_Rb_tree_node_base.17.99.509.534"* %_M_header.i.i.i.i.i.i to i8*
call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 40, i32 4, i1 false) nounwind
store %"struct.std::_Rb_tree_node_base.17.99.509.534"* %_M_header.i.i.i.i.i.i, %"struct.std::_Rb_tree_node_base.17.99.509.534"** undef, align 8, !tbaa !0
unreachable
}
; CHECK: @test1
; CHECK: stwu
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
!0 = metadata !{metadata !"any pointer", metadata !1}
!1 = metadata !{metadata !"omnipotent char", metadata !2}
!2 = metadata !{metadata !"Simple C/C++ TBAA"}