mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-29 23:12:55 +01:00
03454ab1ca
Summary: Also tightened up the acceptable condition operand for these instructions on MIPS-I to MIPS-III. Support for $fcc[1-7] was added in MIPS-IV. Prior to that only $fcc0 is acceptable. We currently don't optimize (BEQZ (NOT $a), $target) and similar. It's probably best to do this in InstCombine. Depends on D4111 Reviewers: jkolek, zoran.jovanovic, vmedic Reviewed By: vmedic Differential Revision: http://reviews.llvm.org/D4112 llvm-svn: 210787
70 lines
2.5 KiB
LLVM
70 lines
2.5 KiB
LLVM
; RUN: llc -march=mips -mcpu=mips32 < %s | FileCheck %s -check-prefix=ALL -check-prefix=FCC
|
|
; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s -check-prefix=ALL -check-prefix=FCC
|
|
; RUN: llc -march=mips -mcpu=mips32r6 < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR -check-prefix=32-GPR
|
|
; RUN: llc -march=mips64 -mcpu=mips4 < %s | FileCheck %s -check-prefix=ALL -check-prefix=FCC
|
|
; RUN: llc -march=mips64 -mcpu=mips64 < %s | FileCheck %s -check-prefix=ALL -check-prefix=FCC
|
|
; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | FileCheck %s -check-prefix=ALL -check-prefix=FCC
|
|
; RUN: llc -march=mips64 -mcpu=mips64r6 < %s | FileCheck %s -check-prefix=ALL -check-prefix=GPR -check-prefix=64-GPR
|
|
|
|
define double @foo(double %a, double %b) nounwind readnone {
|
|
entry:
|
|
; ALL-LABEL: foo:
|
|
|
|
; FCC: bc1f $BB
|
|
; FCC: nop
|
|
|
|
; 32-GPR: mtc1 $zero, $[[Z:f[0-9]]]
|
|
; 32-GPR: mthc1 $zero, $[[Z:f[0-9]]]
|
|
; 64-GPR: dmtc1 $zero, $[[Z:f[0-9]]]
|
|
; GPR: cmp.olt.d $[[FGRCC:f[0-9]+]], $[[Z]], $f12
|
|
; GPR: mfc1 $[[GPRCC:[0-9]+]], $[[FGRCC]]
|
|
; GPR-NOT: not $[[GPRCC]], $[[GPRCC]]
|
|
; GPR: bnez $[[GPRCC]], $BB
|
|
|
|
%cmp = fcmp ogt double %a, 0.000000e+00
|
|
br i1 %cmp, label %if.end6, label %if.else
|
|
|
|
if.else: ; preds = %entry
|
|
%cmp3 = fcmp ogt double %b, 0.000000e+00
|
|
br i1 %cmp3, label %if.end6, label %return
|
|
|
|
if.end6: ; preds = %if.else, %entry
|
|
%c.0 = phi double [ %a, %entry ], [ 0.000000e+00, %if.else ]
|
|
%sub = fsub double %b, %c.0
|
|
%mul = fmul double %sub, 2.000000e+00
|
|
br label %return
|
|
|
|
return: ; preds = %if.else, %if.end6
|
|
%retval.0 = phi double [ %mul, %if.end6 ], [ 0.000000e+00, %if.else ]
|
|
ret double %retval.0
|
|
}
|
|
|
|
define void @f1(float %f) nounwind {
|
|
entry:
|
|
; ALL-LABEL: f1:
|
|
|
|
; FCC: bc1f $BB
|
|
; FCC: nop
|
|
|
|
; GPR: mtc1 $zero, $[[Z:f[0-9]]]
|
|
; GPR: cmp.eq.s $[[FGRCC:f[0-9]+]], $f12, $[[Z]]
|
|
; GPR: mfc1 $[[GPRCC:[0-9]+]], $[[FGRCC]]
|
|
; GPR-NOT: not $[[GPRCC]], $[[GPRCC]]
|
|
; GPR: beqz $[[GPRCC]], $BB
|
|
|
|
%cmp = fcmp une float %f, 0.000000e+00
|
|
br i1 %cmp, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
tail call void @abort() noreturn
|
|
unreachable
|
|
|
|
if.end: ; preds = %entry
|
|
tail call void (...)* @f2() nounwind
|
|
ret void
|
|
}
|
|
|
|
declare void @abort() noreturn nounwind
|
|
|
|
declare void @f2(...)
|