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AMDGPU: Use correct method for determining instruction size 

llvm-svn: 273172
This commit is contained in:
Matt Arsenault 2016-06-20 17:51:32 +00:00
parent f833141187
commit a9720c67f1
2 changed files with 37 additions and 7 deletions
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6
llvm/lib/Target/AMDGPU/AMDGPUAsmPrinter.cpp
View File

@ -28,6 +28,7 @@
#include "R600RegisterInfo.h"
#include "SIDefines.h"
#include "SIMachineFunctionInfo.h"
#include "SIInstrInfo.h"
#include "SIRegisterInfo.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/MC/MCContext.h"
@ -309,6 +310,8 @@ void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,
bool FlatUsed = false;
const SIRegisterInfo *RI =
static_cast<const SIRegisterInfo *>(STM.getRegisterInfo());
const SIInstrInfo *TII =
static_cast<const SIInstrInfo *>(STM.getInstrInfo());
for (const MachineBasicBlock &MBB : MF) {
for (const MachineInstr &MI : MBB) {
@ -318,8 +321,7 @@ void AMDGPUAsmPrinter::getSIProgramInfo(SIProgramInfo &ProgInfo,
if (MI.isDebugValue())
continue;
// FIXME: This is reporting 0 for many instructions.
CodeSize += MI.getDesc().Size;
CodeSize += TII->getInstSizeInBytes(MI);
unsigned numOperands = MI.getNumOperands();
for (unsigned op_idx = 0; op_idx < numOperands; op_idx++) {

38
llvm/test/CodeGen/AMDGPU/inline-asm.ll
View File

@ -1,7 +1,7 @@
; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s
; CHECK: {{^}}inline_asm:
; CHECK-LABEL: {{^}}inline_asm:
; CHECK: s_endpgm
; CHECK: s_endpgm
define void @inline_asm(i32 addrspace(1)* %out) {
@ -11,7 +11,7 @@ entry:
ret void
}
; CHECK: {{^}}inline_asm_shader:
; CHECK-LABEL: {{^}}inline_asm_shader:
; CHECK: s_endpgm
; CHECK: s_endpgm
define amdgpu_ps void @inline_asm_shader() {
@ -38,7 +38,7 @@ endif:
ret void
}
; CHECK: {{^}}v_cmp_asm:
; CHECK-LABEL: {{^}}v_cmp_asm:
; CHECK: v_mov_b32_e32 [[SRC:v[0-9]+]], s{{[0-9]+}}
; CHECK: v_cmp_ne_i32_e64 s{{\[}}[[MASK_LO:[0-9]+]]:[[MASK_HI:[0-9]+]]{{\]}}, 0, [[SRC]]
; CHECK-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[MASK_LO]]
@ -49,3 +49,31 @@ define void @v_cmp_asm(i64 addrspace(1)* %out, i32 %in) {
store i64 %sgpr, i64 addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}code_size_inline_asm:
; CHECK: codeLenInByte = 12
define void @code_size_inline_asm(i32 addrspace(1)* %out) {
entry:
call void asm sideeffect "v_nop_e64", ""()
ret void
}
; All inlineasm instructions are assumed to be the maximum size
; CHECK-LABEL: {{^}}code_size_inline_asm_small_inst:
; CHECK: codeLenInByte = 12
define void @code_size_inline_asm_small_inst(i32 addrspace(1)* %out) {
entry:
call void asm sideeffect "v_nop_e32", ""()
ret void
}
; CHECK-LABEL: {{^}}code_size_inline_asm_2_inst:
; CHECK: codeLenInByte = 20
define void @code_size_inline_asm_2_inst(i32 addrspace(1)* %out) {
entry:
call void asm sideeffect "
v_nop_e64
v_nop_e64
", ""()
ret void
}