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[X86] Add LWP schedule tests 

Tag LWP instructions as WriteSystem

llvm-svn: 320387
This commit is contained in:
Simon Pilgrim 2017-12-11 16:47:21 +00:00
parent 67644be692
commit fabe354b42
2 changed files with 181 additions and 2 deletions
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4
llvm/lib/Target/X86/X86InstrInfo.td
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@ -2567,7 +2567,7 @@ let Predicates = [HasTBM] in {
//===----------------------------------------------------------------------===//
// Lightweight Profiling Instructions
let Predicates = [HasLWP] in {
let Predicates = [HasLWP], SchedRW = [WriteSystem] in {
def LLWPCB : I<0x12, MRM0r, (outs), (ins GR32:$src), "llwpcb\t$src",
[(int_x86_llwpcb GR32:$src)], IIC_LWP>,
@ -2615,7 +2615,7 @@ multiclass lwpval_intr<RegisterClass RC, Intrinsic Int> {
defm LWPVAL32 : lwpval_intr<GR32, int_x86_lwpval32>;
defm LWPVAL64 : lwpval_intr<GR64, int_x86_lwpval64>, VEX_W;
} // HasLWP
} // HasLWP, SchedRW
//===----------------------------------------------------------------------===//
// MONITORX/MWAITX Instructions

179
llvm/test/CodeGen/X86/lwp-schedule.ll Normal file
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@ -0,0 +1,179 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule -mcpu=x86-64 -mattr=+lwp | FileCheck %s --check-prefix=GENERIC
; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule -mcpu=bdver1 | FileCheck %s --check-prefix=BDVER --check-prefix=BDVER1
; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule -mcpu=bdver2 | FileCheck %s --check-prefix=BDVER --check-prefix=BDVER2
; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule -mcpu=bdver3 | FileCheck %s --check-prefix=BDVER --check-prefix=BDVER3
; RUN: llc < %s -mtriple=x86_64-unknown -print-schedule -mcpu=bdver4 | FileCheck %s --check-prefix=BDVER --check-prefix=BDVER4
define void @test_llwpcb(i8 *%a0) nounwind {
; GENERIC-LABEL: test_llwpcb:
; GENERIC: # %bb.0:
; GENERIC-NEXT: llwpcb %rdi # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_llwpcb:
; BDVER: # %bb.0:
; BDVER-NEXT: llwpcb %rdi
; BDVER-NEXT: retq
tail call void @llvm.x86.llwpcb(i8 *%a0)
ret void
}
define i8* @test_slwpcb(i8 *%a0) nounwind {
; GENERIC-LABEL: test_slwpcb:
; GENERIC: # %bb.0:
; GENERIC-NEXT: slwpcb %rax # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_slwpcb:
; BDVER: # %bb.0:
; BDVER-NEXT: slwpcb %rax
; BDVER-NEXT: retq
%1 = tail call i8* @llvm.x86.slwpcb()
ret i8 *%1
}
define i8 @test_lwpins32_rri(i32 %a0, i32 %a1) nounwind {
; GENERIC-LABEL: test_lwpins32_rri:
; GENERIC: # %bb.0:
; GENERIC-NEXT: addl %esi, %esi # sched: [1:0.33]
; GENERIC-NEXT: lwpins $-1985229329, %esi, %edi # imm = 0x89ABCDEF
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: setb %al # sched: [1:0.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpins32_rri:
; BDVER: # %bb.0:
; BDVER-NEXT: addl %esi, %esi
; BDVER-NEXT: lwpins $-1985229329, %esi, %edi # imm = 0x89ABCDEF
; BDVER-NEXT: setb %al
; BDVER-NEXT: retq
%1 = add i32 %a1, %a1
%2 = tail call i8 @llvm.x86.lwpins32(i32 %a0, i32 %1, i32 2309737967)
ret i8 %2
}
define i8 @test_lwpins32_rmi(i32 %a0, i32 *%p1) nounwind {
; GENERIC-LABEL: test_lwpins32_rmi:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpins $1985229328, (%rsi), %edi # imm = 0x76543210
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: setb %al # sched: [1:0.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpins32_rmi:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpins $1985229328, (%rsi), %edi # imm = 0x76543210
; BDVER-NEXT: setb %al
; BDVER-NEXT: retq
%a1 = load i32, i32 *%p1
%1 = tail call i8 @llvm.x86.lwpins32(i32 %a0, i32 %a1, i32 1985229328)
ret i8 %1
}
define i8 @test_lwpins64_rri(i64 %a0, i32 %a1) nounwind {
; GENERIC-LABEL: test_lwpins64_rri:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpins $-1985229329, %esi, %rdi # imm = 0x89ABCDEF
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: setb %al # sched: [1:0.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpins64_rri:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpins $-1985229329, %esi, %rdi # imm = 0x89ABCDEF
; BDVER-NEXT: setb %al
; BDVER-NEXT: retq
%1 = tail call i8 @llvm.x86.lwpins64(i64 %a0, i32 %a1, i32 2309737967)
ret i8 %1
}
define i8 @test_lwpins64_rmi(i64 %a0, i32 *%p1) nounwind {
; GENERIC-LABEL: test_lwpins64_rmi:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpins $1985229328, (%rsi), %rdi # imm = 0x76543210
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: setb %al # sched: [1:0.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpins64_rmi:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpins $1985229328, (%rsi), %rdi # imm = 0x76543210
; BDVER-NEXT: setb %al
; BDVER-NEXT: retq
%a1 = load i32, i32 *%p1
%1 = tail call i8 @llvm.x86.lwpins64(i64 %a0, i32 %a1, i32 1985229328)
ret i8 %1
}
define void @test_lwpval32_rri(i32 %a0, i32 %a1) nounwind {
; GENERIC-LABEL: test_lwpval32_rri:
; GENERIC: # %bb.0:
; GENERIC-NEXT: addl %esi, %esi # sched: [1:0.33]
; GENERIC-NEXT: lwpval $-19088744, %esi, %edi # imm = 0xFEDCBA98
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpval32_rri:
; BDVER: # %bb.0:
; BDVER-NEXT: addl %esi, %esi
; BDVER-NEXT: lwpval $-19088744, %esi, %edi # imm = 0xFEDCBA98
; BDVER-NEXT: retq
%1 = add i32 %a1, %a1
tail call void @llvm.x86.lwpval32(i32 %a0, i32 %1, i32 4275878552)
ret void
}
define void @test_lwpval32_rmi(i32 %a0, i32 *%p1) nounwind {
; GENERIC-LABEL: test_lwpval32_rmi:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpval $305419896, (%rsi), %edi # imm = 0x12345678
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpval32_rmi:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpval $305419896, (%rsi), %edi # imm = 0x12345678
; BDVER-NEXT: retq
%a1 = load i32, i32 *%p1
tail call void @llvm.x86.lwpval32(i32 %a0, i32 %a1, i32 305419896)
ret void
}
define void @test_lwpval64_rri(i64 %a0, i32 %a1) nounwind {
; GENERIC-LABEL: test_lwpval64_rri:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpval $-19088744, %esi, %rdi # imm = 0xFEDCBA98
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpval64_rri:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpval $-19088744, %esi, %rdi # imm = 0xFEDCBA98
; BDVER-NEXT: retq
tail call void @llvm.x86.lwpval64(i64 %a0, i32 %a1, i32 4275878552)
ret void
}
define void @test_lwpval64_rmi(i64 %a0, i32 *%p1) nounwind {
; GENERIC-LABEL: test_lwpval64_rmi:
; GENERIC: # %bb.0:
; GENERIC-NEXT: lwpval $305419896, (%rsi), %rdi # imm = 0x12345678
; GENERIC-NEXT: # sched: [100:0.33]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; BDVER-LABEL: test_lwpval64_rmi:
; BDVER: # %bb.0:
; BDVER-NEXT: lwpval $305419896, (%rsi), %rdi # imm = 0x12345678
; BDVER-NEXT: retq
%a1 = load i32, i32 *%p1
tail call void @llvm.x86.lwpval64(i64 %a0, i32 %a1, i32 305419896)
ret void
}
declare void @llvm.x86.llwpcb(i8*) nounwind
declare i8* @llvm.x86.slwpcb() nounwind
declare i8 @llvm.x86.lwpins32(i32, i32, i32) nounwind
declare i8 @llvm.x86.lwpins64(i64, i32, i32) nounwind
declare void @llvm.x86.lwpval32(i32, i32, i32) nounwind
declare void @llvm.x86.lwpval64(i64, i32, i32) nounwind