mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
f220e7cb76
We want to run the Machine Scheduler instead of the List Scheduler after RA. Checked with a performance run on a Power 9 machine with SPEC 2006 and while some benchmarks improved and others degraded the geomean was slightly improved with the Machine Scheduler. Differential Revision: https://reviews.llvm.org/D45265 llvm-svn: 336295
74 lines
1.8 KiB
LLVM
74 lines
1.8 KiB
LLVM
; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s
|
|
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -ppc-gen-isel=false < %s | FileCheck --check-prefix=CHECK-NO-ISEL %s
|
|
target datalayout = "E-m:e-i64:64-n32:64"
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @foo(i32 signext %a, i32 signext %b) #0 {
|
|
entry:
|
|
%cmp = icmp slt i32 %a, %b
|
|
%conv = zext i1 %cmp to i32
|
|
%shl = shl nuw nsw i32 %conv, 4
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @foo
|
|
; CHECK-NO-ISEL-LABEL: @foo
|
|
; CHECK-DAG: cmpw
|
|
; CHECK-DAG: li [[REG1:[0-9]+]], 0
|
|
; CHECK-DAG: li [[REG2:[0-9]+]], 16
|
|
; CHECK: isel 3, [[REG2]], [[REG1]],
|
|
; CHECK: blr
|
|
|
|
; CHECK-NO-ISEL: bclr 12, 0, 0
|
|
; CHECK-NO-ISEL: ori 3, 5, 0
|
|
; CHECK-NO-ISEL-NEXT: blr
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @foo2(i32 signext %a, i32 signext %b) #0 {
|
|
entry:
|
|
%cmp = icmp slt i32 %a, %b
|
|
%conv = zext i1 %cmp to i32
|
|
%shl = shl nuw nsw i32 %conv, 4
|
|
%add1 = or i32 %shl, 5
|
|
ret i32 %add1
|
|
|
|
; CHECK-LABEL: @foo2
|
|
; CHECK-NO-ISEL-LABEL: @foo2
|
|
; CHECK-DAG: cmpw
|
|
; CHECK-DAG: li [[REG1:[0-9]+]], 5
|
|
; CHECK-DAG: li [[REG2:[0-9]+]], 21
|
|
; CHECK: isel 3, [[REG2]], [[REG1]],
|
|
; CHECK: blr
|
|
|
|
; CHECK-NO-ISEL: bclr 12, 0, 0
|
|
; CHECK-NO-ISEL: ori 3, 5, 0
|
|
; CHECK-NO-ISEL-NEXT: blr
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
define signext i32 @foo3(i32 signext %a, i32 signext %b) #0 {
|
|
entry:
|
|
%cmp = icmp sle i32 %a, %b
|
|
%conv = zext i1 %cmp to i32
|
|
%shl = shl nuw nsw i32 %conv, 4
|
|
ret i32 %shl
|
|
|
|
; CHECK-LABEL: @foo3
|
|
; CHECK-NO-ISEL-LABEL: @foo3
|
|
; CHECK-DAG: cmpw
|
|
; CHECK-DAG: li [[REG1:[0-9]+]], 16
|
|
; CHECK: isel 3, 0, [[REG1]],
|
|
; CHECK: blr
|
|
|
|
; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]]
|
|
; CHECK-NO-ISEL: ori 3, 5, 0
|
|
; CHECK-NO-ISEL-NEXT: blr
|
|
; CHECK-NO-ISEL-NEXT: [[TRUE]]
|
|
; CHECK-NO-ISEL-NEXT: addi 3, 0, 0
|
|
; CHECK-NO-ISEL-NEXT: blr
|
|
}
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
|