forked from OSchip/llvm-project
35 lines
1.3 KiB
LLVM
35 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=arm-apple-ios -arm-atomic-cfg-tidy=0 -mcpu=cortex-a9 | FileCheck %s
|
|
; rdar://8402126
|
|
; Make sure if-converter is not predicating vldmia and ldmia. These are
|
|
; micro-coded and would have long issue latency even if predicated on
|
|
; false predicate.
|
|
|
|
define void @t(double %a, double %b, double %c, double %d, i32* nocapture %solutions, double* nocapture %x) nounwind "no-frame-pointer-elim"="true" {
|
|
entry:
|
|
; CHECK-LABEL: t:
|
|
; CHECK: vpop {d8}
|
|
; CHECK-NOT: vpopne
|
|
; CHECK: pop {r7, pc}
|
|
br i1 undef, label %if.else, label %if.then
|
|
|
|
if.then: ; preds = %entry
|
|
%mul73 = fmul double %a, 0.000000e+00
|
|
%sub76 = fsub double %mul73, %mul73
|
|
store double %sub76, double* undef, align 4
|
|
%call88 = tail call double @cos(double 0.000000e+00) nounwind
|
|
%mul89 = fmul double %call88, %call88
|
|
%sub92 = fsub double %mul89, %mul89
|
|
store double %sub92, double* undef, align 4
|
|
ret void
|
|
|
|
if.else: ; preds = %entry
|
|
%tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555)
|
|
%add112 = fadd double %tmp101, %tmp101
|
|
%mul118 = fmul double %add112, %add112
|
|
store double 0.000000e+00, double* %x, align 4
|
|
ret void
|
|
}
|
|
|
|
declare double @cos(double) readnone
|
|
declare double @llvm.pow.f64(double, double) nounwind readonly
|