mirror of
https://github.com/RPCS3/llvm-mirror.git
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Use the generic Lfunc_begin label on ppc.
This removes yet another custom label to mark the start of a function. llvm-svn: 231390
This commit is contained in:
Rafael Espindola
parent
bdce8557da
commit
22f2e68861
@ -118,6 +118,9 @@ protected:
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// Print the EH begin symbol with an assignment. Defaults to false.
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bool UseAssignmentForEHBegin;
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// Do we need to create a local symbol for .size?
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bool NeedsLocalForSize;
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/// This prefix is used for globals like constant pool entries that are
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/// completely private to the .s file and should not have names in the .o
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/// file. Defaults to "L"
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@ -427,6 +430,7 @@ public:
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const char *getLabelSuffix() const { return LabelSuffix; }
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bool useAssignmentForEHBegin() const { return UseAssignmentForEHBegin; }
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bool needsLocalForSize() const { return NeedsLocalForSize; }
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const char *getPrivateGlobalPrefix() const { return PrivateGlobalPrefix; }
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const char *getPrivateLabelPrefix() const { return PrivateLabelPrefix; }
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bool hasLinkerPrivateGlobalPrefix() const {
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@ -556,8 +556,12 @@ void AsmPrinter::EmitFunctionHeader() {
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OutStreamer.EmitLabel(DeadBlockSyms[i]);
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}
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if (!MMI->getLandingPads().empty() || MMI->hasDebugInfo()) {
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bool NeedsLocalForSize = MAI->needsLocalForSize();
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if (!MMI->getLandingPads().empty() || MMI->hasDebugInfo() ||
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NeedsLocalForSize) {
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CurrentFnBegin = createTempSymbol("func_begin", getFunctionNumber());
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if (NeedsLocalForSize)
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CurrentFnSymForSize = CurrentFnBegin;
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if (MAI->useAssignmentForEHBegin()) {
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MCSymbol *CurPos = OutContext.CreateTempSymbol();
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@ -39,6 +39,7 @@ MCAsmInfo::MCAsmInfo() {
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CommentString = "#";
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LabelSuffix = ":";
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UseAssignmentForEHBegin = false;
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NeedsLocalForSize = false;
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PrivateGlobalPrefix = "L";
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PrivateLabelPrefix = PrivateGlobalPrefix;
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LinkerPrivateGlobalPrefix = "";
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@ -45,6 +45,10 @@ PPCMCAsmInfoDarwin::PPCMCAsmInfoDarwin(bool is64Bit, const Triple& T) {
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void PPCELFMCAsmInfo::anchor() { }
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PPCELFMCAsmInfo::PPCELFMCAsmInfo(bool is64Bit, const Triple& T) {
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// FIXME: This is not always needed. For example, it is not needed in the
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// v2 abi.
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NeedsLocalForSize = true;
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if (is64Bit) {
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PointerSize = CalleeSaveStackSlotSize = 8;
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}
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@ -1082,11 +1082,6 @@ void PPCLinuxAsmPrinter::EmitFunctionEntryLabel() {
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// Emit a null environment pointer.
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OutStreamer.EmitIntValue(0, 8 /* size */);
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OutStreamer.SwitchSection(Current.first, Current.second);
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MCSymbol *RealFnSym = OutContext.GetOrCreateSymbol(
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".L." + Twine(CurrentFnSym->getName()));
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OutStreamer.EmitLabel(RealFnSym);
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CurrentFnSymForSize = RealFnSym;
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}
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@ -17,16 +17,18 @@ entry:
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; An empty function is perfectly fine on ELF.
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; LINUX-NO-FP: func:
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; LINUX-NO-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}}
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; LINUX-NO-FP-NEXT: .cfi_startproc
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; LINUX-NO-FP-NEXT: {{^}}#
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; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func
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; LINUX-NO-FP-NEXT: {{^}}.L[[END:.*]]:{{$}}
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; LINUX-NO-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
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; LINUX-NO-FP-NEXT: .cfi_endproc
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; A cfi directive can point to the end of a function. It (and in fact the
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; entire body) could be optimized out because of the unreachable, but we
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; don't do it right now.
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; LINUX-FP: func:
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; LINUX-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}}
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; LINUX-FP-NEXT: .cfi_startproc
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; LINUX-FP-NEXT: {{^}}#
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; LINUX-FP-NEXT: stw 31, -4(1)
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@ -38,6 +40,6 @@ entry:
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; LINUX-FP-NEXT: mr 31, 1
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; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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; LINUX-FP-NEXT: .cfi_def_cfa_register r31
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; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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; LINUX-FP-NEXT: .size func, .Lfunc_end0-func
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; LINUX-FP-NEXT: {{^}}.L[[END:.*]]:{{$}}
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; LINUX-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
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; LINUX-FP-NEXT: .cfi_endproc
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@ -2,6 +2,31 @@
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; CHECK-LABEL: test:
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; CHECK: {{^}}.L[[test_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: property_access1:
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; CHECK: {{^}}.L[[property_access1_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: property_access2:
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; CHECK: {{^}}.L[[property_access2_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: property_access3:
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; CHECK: {{^}}.L[[property_access3_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: anyreg_test1:
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; CHECK: {{^}}.L[[anyreg_test1_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: anyreg_test2:
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; CHECK: {{^}}.L[[anyreg_test2_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: patchpoint_spilldef:
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; CHECK: {{^}}.L[[patchpoint_spilldef_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: patchpoint_spillargs:
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; CHECK: {{^}}.L[[patchpoint_spillargs_BEGIN:.*]]:{{$}}
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; Stackmap Header: no constants - 6 callsites
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; CHECK-LABEL: .section .llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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@ -36,7 +61,7 @@ target triple = "powerpc64-unknown-linux-gnu"
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; test
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; CHECK-LABEL: .long .L{{.*}}-.L.test
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; CHECK: .long .L{{.*}}-.L[[test_BEGIN]]
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; CHECK-NEXT: .short 0
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; 3 locations
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; CHECK-NEXT: .short 3
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@ -62,7 +87,7 @@ entry:
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}
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; property access 1 - %obj is an anyreg call argument and should therefore be in a register
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; CHECK-LABEL: .long .L{{.*}}-.L.property_access1
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; CHECK: .long .L{{.*}}-.L[[property_access1_BEGIN]]
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; CHECK-NEXT: .short 0
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; 2 locations
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; CHECK-NEXT: .short 2
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@ -84,7 +109,7 @@ entry:
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}
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; property access 2 - %obj is an anyreg call argument and should therefore be in a register
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; CHECK-LABEL: .long .L{{.*}}-.L.property_access2
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; CHECK: .long .L{{.*}}-.L[[property_access2_BEGIN]]
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; CHECK-NEXT: .short 0
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; 2 locations
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; CHECK-NEXT: .short 2
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@ -107,7 +132,7 @@ entry:
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}
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; property access 3 - %obj is a frame index
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; CHECK-LABEL: .long .L{{.*}}-.L.property_access3
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; CHECK: .long .L{{.*}}-.L[[property_access3_BEGIN]]
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; CHECK-NEXT: .short 0
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; 2 locations
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; CHECK-NEXT: .short 2
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@ -130,7 +155,7 @@ entry:
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}
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; anyreg_test1
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; CHECK-LABEL: .long .L{{.*}}-.L.anyreg_test1
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; CHECK: .long .L{{.*}}-.L[[anyreg_test1_BEGIN]]
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; CHECK-NEXT: .short 0
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; 14 locations
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; CHECK-NEXT: .short 14
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@ -212,7 +237,7 @@ entry:
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}
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; anyreg_test2
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; CHECK-LABEL: .long .L{{.*}}-.L.anyreg_test2
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; CHECK: .long .L{{.*}}-.L[[anyreg_test2_BEGIN]]
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; CHECK-NEXT: .short 0
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; 14 locations
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; CHECK-NEXT: .short 14
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@ -297,7 +322,7 @@ entry:
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;
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; <rdar://problem/15432754> [JS] Assertion: "Folded a def to a non-store!"
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.patchpoint_spilldef
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; CHECK: .long .L{{.*}}-.L[[patchpoint_spilldef_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 3
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; Loc 0: Register (some register that will be spilled to the stack)
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@ -327,7 +352,7 @@ entry:
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;
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; <rdar://problem/15487687> [JS] AnyRegCC argument ends up being spilled
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.patchpoint_spillargs
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; CHECK: .long .L{{.*}}-.L[[patchpoint_spillargs_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 5
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; Loc 0: Return a register
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@ -7,7 +7,7 @@
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; CHECK-NEXT: .quad .TOC.@tocbase
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; CHECK-NEXT: .quad 0
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; CHECK-NEXT: .text
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; CHECK-NEXT: .L.test1:
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; CHECK-NEXT: .L[[BEGIN:.*]]:
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define i32 @test1(i32 %a) nounwind {
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entry:
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@ -19,4 +19,4 @@ entry:
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; however, using this directive with recent binutils will result in the error:
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; .size expression for XXX does not evaluate to a constant
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; so we must use the label which actually tags the start of the function.
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; CHECK: .size test1, .Lfunc_end0-.L.test1
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; CHECK: .size test1, .Lfunc_end0-.L[[BEGIN]]
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@ -7,6 +7,40 @@
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; CHECK-LABEL: constantargs:
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; CHECK: {{^}}.L[[constantargs_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: osrinline:
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; CHECK: {{^}}.L[[osrinline_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: osrcold:
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; CHECK: {{^}}.L[[osrcold_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: propertyRead:
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; CHECK: {{^}}.L[[propertyRead_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: propertyWrite:
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; CHECK: {{^}}.L[[propertyWrite_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: jsVoidCall:
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; CHECK: {{^}}.L[[jsVoidCall_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: jsIntCall:
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; CHECK: {{^}}.L[[jsIntCall_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: spilledValue:
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; CHECK: {{^}}.L[[spilledValue_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: spilledStackMapValue:
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; CHECK: {{^}}.L[[spilledStackMapValue_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: liveConstant:
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; CHECK: {{^}}.L[[liveConstant_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: clobberLR:
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; CHECK: {{^}}.L[[clobberLR_BEGIN:.*]]:{{$}}
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; CHECK-LABEL: .section .llvm_stackmaps
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; CHECK-NEXT: __LLVM_StackMaps:
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; Header
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@ -51,7 +85,7 @@ target triple = "powerpc64-unknown-linux-gnu"
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; Constant arguments
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;
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; CHECK-NEXT: .quad 1
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; CHECK-NEXT: .long .L{{.*}}-.L.constantargs
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; CHECK-NEXT: .long .L{{.*}}-.L[[constantargs_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 4
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; SmallConstant
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@ -84,7 +118,7 @@ entry:
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; Inline OSR Exit
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.osrinline
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; CHECK: .long .L{{.*}}-.L[[osrinline_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 2
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; CHECK-NEXT: .byte 1
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@ -108,7 +142,7 @@ entry:
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;
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; 2 live variables in register.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.osrcold
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; CHECK: .long .L{{.*}}-.L[[osrcold_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 2
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; CHECK-NEXT: .byte 1
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@ -133,7 +167,7 @@ ret:
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}
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; Property Read
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; CHECK-LABEL: .long .L{{.*}}-.L.propertyRead
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; CHECK: .long .L{{.*}}-.L[[propertyRead_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 0
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;
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@ -148,7 +182,7 @@ entry:
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}
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; Property Write
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; CHECK-LABEL: .long .L{{.*}}-.L.propertyWrite
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; CHECK: .long .L{{.*}}-.L[[propertyWrite_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 2
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; CHECK-NEXT: .byte 1
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@ -170,7 +204,7 @@ entry:
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;
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; 2 live variables in registers.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.jsVoidCall
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; CHECK: .long .L{{.*}}-.L[[jsVoidCall_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 2
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; CHECK-NEXT: .byte 1
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@ -192,7 +226,7 @@ entry:
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;
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; 2 live variables in registers.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.jsIntCall
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; CHECK: .long .L{{.*}}-.L[[jsIntCall_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 2
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; CHECK-NEXT: .byte 1
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@ -215,7 +249,7 @@ entry:
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;
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; Verify 28 stack map entries.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.spilledValue
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; CHECK: .long .L{{.*}}-.L[[spilledValue_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 28
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;
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@ -234,7 +268,7 @@ entry:
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;
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; Verify 30 stack map entries.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.spilledStackMapValue
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; CHECK: .long .L{{.*}}-.L[[spilledStackMapValue_BEGIN]]
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; CHECK-NEXT: .short 0
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; CHECK-NEXT: .short 30
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;
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@ -252,7 +286,7 @@ entry:
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; Map a constant value.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.liveConstant
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; CHECK: .long .L{{.*}}-.L[[liveConstant_BEGIN]]
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; CHECK-NEXT: .short 0
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; 1 location
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; CHECK-NEXT: .short 1
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@ -269,7 +303,7 @@ define void @liveConstant() {
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; Map a value when LR is the only free register.
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;
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; CHECK-LABEL: .long .L{{.*}}-.L.clobberLR
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; CHECK: .long .L{{.*}}-.L[[clobberLR_BEGIN]]
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; CHECK-NEXT: .short 0
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; 1 location
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; CHECK-NEXT: .short 1
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@ -16,6 +16,7 @@ target triple = "powerpc64le-unknown-linux-gnu"
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define i64 @use_toc(i64 %a) nounwind {
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entry:
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; CHECK-LABEL: @use_toc
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; CHECK-NEXT: .L{{.*}}:
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; CHECK-NEXT: .Ltmp[[TMP1:[0-9]+]]:
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; CHECK-NEXT: addis 2, 12, .TOC.-.Ltmp[[TMP1]]@ha
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; CHECK-NEXT: addi 2, 2, .TOC.-.Ltmp[[TMP1]]@l
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@ -32,6 +33,7 @@ declare void @callee()
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define void @use_toc_implicit() nounwind {
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entry:
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; CHECK-LABEL: @use_toc_implicit
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; CHECK-NEXT: .L{{.*}}:
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; CHECK-NEXT: .Ltmp[[TMP1:[0-9]+]]:
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; CHECK-NEXT: addis 2, 12, .TOC.-.Ltmp[[TMP1]]@ha
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; CHECK-NEXT: addi 2, 2, .TOC.-.Ltmp[[TMP1]]@l
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@ -45,6 +47,7 @@ entry:
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define i64 @no_toc(i64 %a) nounwind {
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entry:
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; CHECK-LABEL: @no_toc
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; CHECK-NEXT: .L{{.*}}:
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; CHECK-NEXT: %entry
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ret i64 %a
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}
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