31 lines
998 B
LLVM
31 lines
998 B
LLVM
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; RUN: llc -relocation-model=pic < %s | FileCheck %s
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; The load restoring r30 at the end of the function was placed out of order
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; relative to its uses as the PIC base pointer.
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; This was because the r30 operand was not marked as "def" which allowed
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; the post-RA scheduler to move it over other uses of r30.
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; CHECK-LABEL: fred
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; CHECK: lwz 30, 24(1)
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; R30 should not appear in an instruction after it's been restored.
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; CHECK-NOT: 30,
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target datalayout = "E-m:e-p:32:32-i64:64-n32"
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target triple = "powerpc--"
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define double @fred(i64 %a) #0 {
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entry:
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%0 = lshr i64 %a, 32
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%conv = trunc i64 %0 to i32
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%conv1 = sitofp i32 %conv to double
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%mul = fmul double %conv1, 0x41F0000000000000
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%and = and i64 %a, 4294967295
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%or = or i64 %and, 4841369599423283200
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%sub = fadd double %mul, 0xC330000000000000
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%1 = bitcast i64 %or to double
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%add = fadd double %sub, %1
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ret double %add
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}
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attributes #0 = { norecurse nounwind readnone "target-cpu"="ppc" "use-soft-float"="false" }
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