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R600/SI: Fix emitting trailing whitespace after s_waitcnt

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-09-26 01:09:46 +00:00
parent 479f2f7a14
commit 584886c0bb
2 changed files with 23 additions and 9 deletions
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24
lib/Target/R600/InstPrinter/AMDGPUInstPrinter.cpp
View File

@ -493,12 +493,26 @@ void AMDGPUInstPrinter::printWaitFlag(const MCInst *MI, unsigned OpNo,
unsigned Vmcnt = SImm16 & 0xF;
unsigned Expcnt = (SImm16 >> 4) & 0xF;
unsigned Lgkmcnt = (SImm16 >> 8) & 0xF;
if (Vmcnt != 0xF)
O << "vmcnt(" << Vmcnt << ") ";
if (Expcnt != 0x7)
O << "expcnt(" << Expcnt << ") ";
if (Lgkmcnt != 0x7)
bool NeedSpace = false;
if (Vmcnt != 0xF) {
O << "vmcnt(" << Vmcnt << ')';
NeedSpace = true;
}
if (Expcnt != 0x7) {
if (NeedSpace)
O << ' ';
O << "expcnt(" << Expcnt << ')';
NeedSpace = true;
}
if (Lgkmcnt != 0x7) {
if (NeedSpace)
O << ' ';
O << "lgkmcnt(" << Lgkmcnt << ')';
}
}
#include "AMDGPUGenAsmWriter.inc"

8
test/CodeGen/R600/wait.ll
View File

@ -1,11 +1,11 @@
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -strict-whitespace %s
; CHECK-LABEL: @main
; CHECK: S_LOAD_DWORDX4
; CHECK: S_LOAD_DWORDX4
; CHECK: S_WAITCNT lgkmcnt(0)
; CHECK: S_WAITCNT vmcnt(0)
; CHECK: S_WAITCNT expcnt(0) lgkmcnt(0)
; CHECK: S_WAITCNT lgkmcnt(0){{$}}
; CHECK: S_WAITCNT vmcnt(0){{$}}
; CHECK: S_WAITCNT expcnt(0) lgkmcnt(0){{$}}
define void @main(<16 x i8> addrspace(2)* inreg %arg, <16 x i8> addrspace(2)* inreg %arg1, <32 x i8> addrspace(2)* inreg %arg2, <16 x i8> addrspace(2)* inreg %arg3, <16 x i8> addrspace(2)* inreg %arg4, i32 inreg %arg5, i32 %arg6, i32 %arg7, i32 %arg8, i32 %arg9, float addrspace(2)* inreg %constptr) #0 {
main_body:
%tmp = getelementptr <16 x i8> addrspace(2)* %arg3, i32 0