mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
d75793f030
Up the phi node folding threshold from a cheap "1" to a meagre "2". Update tests for extra added selects and slight code churn. llvm-svn: 229099
33 lines
802 B
LLVM
33 lines
802 B
LLVM
; RUN: llc -O3 -mcpu=cortex-a57 < %s | FileCheck %s
|
|
|
|
; CHECK-LABEL: @test
|
|
; CHECK: and
|
|
; CHECK: csel
|
|
; CHECK: csel
|
|
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
|
|
target triple = "arm64--linux-gnueabi"
|
|
|
|
define void @test(i64 %a, i64* %ptr1, i64* %ptr2) #0 align 2 {
|
|
entry:
|
|
%conv = and i64 %a, 4294967295
|
|
%add = add nsw i64 %conv, -1
|
|
%div = sdiv i64 %add, 64
|
|
%rem = srem i64 %add, 64
|
|
%cmp = icmp slt i64 %rem, 0
|
|
br i1 %cmp, label %if.then, label %exit
|
|
|
|
if.then:
|
|
%add2 = add nsw i64 %rem, 64
|
|
%add3 = add i64 %div, -1
|
|
br label %exit
|
|
|
|
exit:
|
|
%__n = phi i64 [ %add3, %if.then ], [ %div, %entry ]
|
|
%__n.0 = phi i64 [ %add2, %if.then ], [ %rem, %entry ]
|
|
store i64 %__n, i64* %ptr1
|
|
store i64 %__n.0, i64* %ptr2
|
|
ret void
|
|
}
|
|
|
|
|