forked from OSchip/llvm-project
[AIX] Remove whitelist checking for ExternalSymbolSDNodes
Allow all ExternalSymbolSDNode on AIX, and rely on the linker error to find symbols which we don't have definitions from any library/compiler-rt. Differential Revision: https://reviews.llvm.org/D75075
This commit is contained in:
Xiangling Liao
parent
41a6612ea8
commit
e7375e9932
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@ -5072,14 +5072,6 @@ static unsigned getCallOpcode(PPCTargetLowering::CallFlags CFlags,
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return PPCISD::CALL;
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}
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static bool isValidAIXExternalSymSDNode(StringRef SymName) {
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return StringSwitch<bool>(SymName)
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.Cases("__divdi3", "__fixunsdfdi", "__floatundidf", "__floatundisf",
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"__moddi3", "__udivdi3", "__umoddi3", true)
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.Cases("ceil", "floor", "memcpy", "memmove", "memset", "round", true)
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.Default(false);
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}
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static SDValue transformCallee(const SDValue &Callee, SelectionDAG &DAG,
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const SDLoc &dl, const PPCSubtarget &Subtarget) {
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if (!Subtarget.usesFunctionDescriptors() && !Subtarget.isELFv2ABI())
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@ -5163,12 +5155,7 @@ static SDValue transformCallee(const SDValue &Callee, SelectionDAG &DAG,
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SC);
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}
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// TODO: Remove this when the support for ExternalSymbolSDNode is complete.
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if (isValidAIXExternalSymSDNode(SymName)) {
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return getAIXFuncEntryPointSymbolSDNode(SymName, true, XCOFF::C_EXT);
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}
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report_fatal_error("Unexpected ExternalSymbolSDNode: " + Twine(SymName));
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return getAIXFuncEntryPointSymbolSDNode(SymName, true, XCOFF::C_EXT);
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}
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// No transformation needed.
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@ -6,61 +6,6 @@
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; RUN: -stop-after=machine-cp < %s | FileCheck \
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; RUN: --check-prefix=64BIT %s
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define i64 @call_divdi3(i64 %p, i64 %num) {
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entry:
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%div = sdiv i64 %p, %num
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ret i64 %div
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}
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; 32BIT: BL_NOP <mcsymbol .__divdi3>
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define i64 @call_fixunsdfdi(double %p) {
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entry:
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%conv = fptoui double %p to i64
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ret i64 %conv
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}
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; 32BIT: BL_NOP <mcsymbol .__fixunsdfdi>
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define double @call_floatundidf(i64 %p) {
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entry:
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%conv = uitofp i64 %p to double
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ret double %conv
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}
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; 32BIT: BL_NOP <mcsymbol .__floatundidf>
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define float @call_floatundisf(i64 %p) {
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entry:
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%conv = uitofp i64 %p to float
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ret float %conv
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}
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; 32BIT: BL_NOP <mcsymbol .__floatundisf>
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define i64 @call_moddi3(i64 %p, i64 %num) {
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entry:
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%rem = srem i64 %p, %num
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ret i64 %rem
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}
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; 32BIT: BL_NOP <mcsymbol .__moddi3>
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define i64 @call_udivdi3(i64 %p, i64 %q) {
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%1 = udiv i64 %p, %q
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ret i64 %1
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}
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; 32BIT: BL_NOP <mcsymbol .__udivdi3>
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define i64 @call_umoddi3(i64 %p, i64 %num) {
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entry:
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%rem = urem i64 %p, %num
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ret i64 %rem
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}
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; 32BIT: BL_NOP <mcsymbol .__umoddi3>
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define double @call_ceil(double %n) {
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entry:
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%0 = call double @llvm.ceil.f64(double %n)
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@ -71,58 +16,3 @@ declare double @llvm.ceil.f64(double)
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; 32BIT: BL_NOP <mcsymbol .ceil>
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; 64BIT: BL8_NOP <mcsymbol .ceil>
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define double @call_floor(double %n) {
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entry:
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%0 = call double @llvm.floor.f64(double %n)
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ret double %0
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}
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declare double @llvm.floor.f64(double)
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; 32BIT: BL_NOP <mcsymbol .floor>
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; 64BIT: BL8_NOP <mcsymbol .floor>
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define void @call_memcpy(i8* %p, i8* %q, i32 %n) {
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entry:
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i1)
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; 32BIT: BL_NOP <mcsymbol .memcpy>
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; 64BIT: BL8_NOP <mcsymbol .memcpy>
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define void @call_memmove(i8* %p, i8* %q, i32 %n) {
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entry:
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call void @llvm.memmove.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i1 false)
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ret void
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}
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declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1)
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; 32BIT: BL_NOP <mcsymbol .memmove>
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; 64BIT: BL8_NOP <mcsymbol .memmove>
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define void @call_memset(i8* %p, i8 %q, i32 %n) #0 {
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entry:
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call void @llvm.memset.p0i8.i32(i8* %p, i8 %q, i32 %n, i1 false)
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ret void
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}
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declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1)
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; 32BIT: BL_NOP <mcsymbol .memset>
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; 64BIT: BL8_NOP <mcsymbol .memset>
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define double @call_round(double %n) {
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entry:
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%0 = call double @llvm.round.f64(double %n)
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ret double %0
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}
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declare double @llvm.round.f64(double)
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; 32BIT: BL_NOP <mcsymbol .round>
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; 64BIT: BL8_NOP <mcsymbol .round>
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