Instead of printing unnecessary basic block labels as labels in
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.
Also, factor out the relevant code out of all the targets and into
target-independent code.
llvm-svn: 83392
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 00f3980..f149f10 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1623,8 +1623,15 @@
if (unsigned Align = MBB->getAlignment())
EmitAlignment(Log2_32(Align));
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << ':';
+ if (MBB->pred_empty() || MBB->isOnlyReachableByFallthrough()) {
+ if (VerboseAsm)
+ O << MAI->getCommentString() << " BB#" << MBB->getNumber() << ':';
+ } else {
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << ':';
+ if (!VerboseAsm)
+ O << '\n';
+ }
if (VerboseAsm) {
if (const BasicBlock *BB = MBB->getBasicBlock())
@@ -1635,6 +1642,7 @@
}
EmitComments(*MBB);
+ O << '\n';
}
}
diff --git a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index cb241dc..bdaae22 100644
--- a/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -285,7 +285,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
diff --git a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index fd4a99a..d8e8b79 100644
--- a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -171,7 +171,6 @@
I != E; ++I) {
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
diff --git a/llvm/lib/Target/Blackfin/AsmPrinter/BlackfinAsmPrinter.cpp b/llvm/lib/Target/Blackfin/AsmPrinter/BlackfinAsmPrinter.cpp
index 9807fd2..91fd5dd 100644
--- a/llvm/lib/Target/Blackfin/AsmPrinter/BlackfinAsmPrinter.cpp
+++ b/llvm/lib/Target/Blackfin/AsmPrinter/BlackfinAsmPrinter.cpp
@@ -135,13 +135,7 @@
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) {
- // This is an entry block or a block that's only reachable via a
- // fallthrough edge. In non-VerboseAsm mode, don't print the label.
- } else {
- EmitBasicBlockStart(I);
- O << '\n';
- }
+ EmitBasicBlockStart(I);
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
diff --git a/llvm/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp b/llvm/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
index c334e50..0f8d539 100644
--- a/llvm/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
+++ b/llvm/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
@@ -460,7 +460,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
diff --git a/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp b/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
index b6d268d..ad40fd4 100644
--- a/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
+++ b/llvm/lib/Target/MSP430/AsmPrinter/MSP430AsmPrinter.cpp
@@ -124,13 +124,7 @@
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) {
- // This is an entry block or a block that's only reachable via a
- // fallthrough edge. In non-VerboseAsm mode, don't print the label.
- } else {
- EmitBasicBlockStart(I);
- O << '\n';
- }
+ EmitBasicBlockStart(I);
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II)
diff --git a/llvm/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp b/llvm/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
index 2159555..ccf9ee5 100644
--- a/llvm/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
+++ b/llvm/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
@@ -273,7 +273,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
diff --git a/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp b/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
index 60ad2c7..3f415af 100644
--- a/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
+++ b/llvm/lib/Target/PIC16/AsmPrinter/PIC16AsmPrinter.cpp
@@ -98,7 +98,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
// Print a basic block.
diff --git a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index 8ac9305..a0fba86 100644
--- a/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -660,7 +660,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
@@ -844,7 +843,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
II != IE; ++II) {
diff --git a/llvm/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp b/llvm/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
index bf479a4..a3e5fba 100644
--- a/llvm/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
+++ b/llvm/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
@@ -119,7 +119,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
diff --git a/llvm/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/llvm/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
index 89d365ce..a128992 100644
--- a/llvm/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
+++ b/llvm/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
@@ -129,13 +129,7 @@
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) {
- // This is an entry block or a block that's only reachable via a
- // fallthrough edge. In non-VerboseAsm mode, don't print the label.
- } else {
- EmitBasicBlockStart(I);
- O << '\n';
- }
+ EmitBasicBlockStart(I);
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II)
diff --git a/llvm/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp b/llvm/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
index f753594..2a0290d 100644
--- a/llvm/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
+++ b/llvm/lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
@@ -165,13 +165,7 @@
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
- if (!VerboseAsm && (I->pred_empty() || I->isOnlyReachableByFallthrough())) {
- // This is an entry block or a block that's only reachable via a
- // fallthrough edge. In non-VerboseAsm mode, don't print the label.
- } else {
- EmitBasicBlockStart(I);
- O << '\n';
- }
+ EmitBasicBlockStart(I);
for (MachineBasicBlock::const_iterator II = I->begin(), IE = I->end();
II != IE; ++II) {
// Print the assembly for the instruction.
diff --git a/llvm/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp b/llvm/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
index a4b1d11..e58edda 100644
--- a/llvm/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
+++ b/llvm/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
@@ -274,7 +274,6 @@
// Print a label for the basic block.
if (I != MF.begin()) {
EmitBasicBlockStart(I);
- O << '\n';
}
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
diff --git a/llvm/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll b/llvm/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll
index 4fd8072..88e8b4a 100644
--- a/llvm/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll
+++ b/llvm/test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll
@@ -7,7 +7,7 @@
entry:
; CHECK: cmpl $2
; CHECK-NEXT: je
-; CHECK-NEXT: LBB1_1
+; CHECK-NEXT: %entry
switch i32 %argc, label %UnifiedReturnBlock [
i32 1, label %bb
diff --git a/llvm/test/CodeGen/X86/pic.ll b/llvm/test/CodeGen/X86/pic.ll
index e9218ed..3a547f9 100644
--- a/llvm/test/CodeGen/X86/pic.ll
+++ b/llvm/test/CodeGen/X86/pic.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=LINUX
+; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic -asm-verbose=false | FileCheck %s -check-prefix=LINUX
@ptr = external global i32*
@dst = external global i32
@@ -12,7 +12,6 @@
ret void
; LINUX: test1:
-; LINUX: .LBB1_0:
; LINUX: call .L1$pb
; LINUX-NEXT: .L1$pb:
; LINUX-NEXT: popl