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44 lines
1.4 KiB
LLVM
44 lines
1.4 KiB
LLVM
; RUN: llc < %s -mtriple=arm-apple-ios -mcpu=cortex-a9 | FileCheck %s
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; rdar://8402126
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; Make sure if-converter is not predicating vldmia and ldmia. These are
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; micro-coded and would have long issue latency even if predicated on
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; false predicate.
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define void @t(double %a, double %b, double %c, double %d, i32* nocapture %solutions, double* nocapture %x) nounwind {
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entry:
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; CHECK: t:
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; CHECK: vpop {d8}
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; CHECK-NOT: vpopne
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; CHECK: pop {r7, pc}
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; CHECK: vpop {d8}
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; CHECK: pop {r7, pc}
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br i1 undef, label %if.else, label %if.then
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if.then: ; preds = %entry
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%mul73 = fmul double undef, 0.000000e+00
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%sub76 = fsub double %mul73, undef
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store double %sub76, double* undef, align 4
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%call88 = tail call double @cos(double 0.000000e+00) nounwind
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%mul89 = fmul double undef, %call88
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%sub92 = fsub double %mul89, undef
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store double %sub92, double* undef, align 4
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ret void
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if.else: ; preds = %entry
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%tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555)
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%add112 = fadd double %tmp101, undef
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%mul118 = fmul double %add112, undef
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store double 0.000000e+00, double* %x, align 4
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ret void
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}
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declare double @acos(double)
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declare double @sqrt(double) readnone
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declare double @cos(double) readnone
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declare double @fabs(double)
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declare double @llvm.pow.f64(double, double) nounwind readonly
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