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Revert "GlobalISel (AArch64): fix ABI at border between GPRs and SP." 

This reverts commit e8fd20964798ca6d46d2729dd3a789707a6416da in an
attempt to appease the GlobalISel buildbot, which fails in the
test-suite with errors like
fpcmp: files differ without tolerance allowance

llvm-svn: 311151
This commit is contained in:
Diana Picus 2017-08-18 09:31:21 +00:00
parent 25efe769c0
commit 42ea77d5c2
2 changed files with 1 additions and 44 deletions
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6
llvm/lib/Target/AArch64/AArch64CallLowering.cpp
View File

@ -188,16 +188,12 @@ void AArch64CallLowering::splitToValueTypes(
}
unsigned FirstRegIdx = SplitArgs.size();
bool AlreadySplit = false;
for (auto SplitVT : SplitVTs) {
// FIXME: set split flags if they're actually used (e.g. i128 on AAPCS).
Type *SplitTy = SplitVT.getTypeForEVT(Ctx);
SplitArgs.push_back(
ArgInfo{MRI.createGenericVirtualRegister(getLLTForType(*SplitTy, DL)),
SplitTy, OrigArg.Flags, OrigArg.IsFixed});
if (!AlreadySplit) {
SplitArgs.back().Flags.setSplit();
AlreadySplit = true;
}
}
for (unsigned i = 0; i < Offsets.size(); ++i)

39
llvm/test/CodeGen/AArch64/GlobalISel/call-translator.ll
View File

@ -215,42 +215,3 @@ define void @test_call_stack() {
define void @test_mem_i1([8 x i64], i1 %in) {
ret void
}
; CHECK-LABEL: name: test_split_struct
; CHECK: [[STRUCT:%[0-9]+]](s128) = G_LOAD {{.*}}(p0)
; CHECK: [[LO:%[0-9]+]](s64) = G_EXTRACT [[STRUCT]](s128), 0
; CHECK: [[HI:%[0-9]+]](s64) = G_EXTRACT [[STRUCT]](s128), 64
; CHECK: [[SP:%[0-9]+]](p0) = COPY %sp
; CHECK: [[OFF:%[0-9]+]](s64) = G_CONSTANT i64 0
; CHECK: [[ADDR:%[0-9]+]](p0) = G_GEP [[SP]], [[OFF]]
; CHECK: G_STORE [[LO]](s64), [[ADDR]](p0) :: (store 8 into stack, align 0)
; CHECK: [[SP:%[0-9]+]](p0) = COPY %sp
; CHECK: [[OFF:%[0-9]+]](s64) = G_CONSTANT i64 8
; CHECK: [[ADDR:%[0-9]+]](p0) = G_GEP [[SP]], [[OFF]]
; CHECK: G_STORE [[HI]](s64), [[ADDR]](p0) :: (store 8 into stack + 8, align 0)
define void @test_split_struct([2 x i64]* %ptr) {
%struct = load [2 x i64], [2 x i64]* %ptr
call void @take_split_struct([2 x i64]* null, i64 1, i64 2, i64 3,
i64 4, i64 5, i64 6,
[2 x i64] %struct)
ret void
}
; CHECK-LABEL: name: take_split_struct
; CHECK: fixedStack:
; CHECK-DAG: - { id: [[LO_FRAME:[0-9]+]], type: default, offset: 0, size: 8
; CHECK-DAG: - { id: [[HI_FRAME:[0-9]+]], type: default, offset: 8, size: 8
; CHECK: [[LOPTR:%[0-9]+]](p0) = G_FRAME_INDEX %fixed-stack.[[LO_FRAME]]
; CHECK: [[LO:%[0-9]+]](s64) = G_LOAD [[LOPTR]](p0) :: (invariant load 8 from %fixed-stack.[[LO_FRAME]], align 0)
; CHECK: [[HIPTR:%[0-9]+]](p0) = G_FRAME_INDEX %fixed-stack.[[HI_FRAME]]
; CHECK: [[HI:%[0-9]+]](s64) = G_LOAD [[HIPTR]](p0) :: (invariant load 8 from %fixed-stack.[[HI_FRAME]], align 0)
define void @take_split_struct([2 x i64]* %ptr, i64, i64, i64,
i64, i64, i64,
[2 x i64] %in) {
store [2 x i64] %in, [2 x i64]* %ptr
ret void
}