1 ; RUN: llc -relocation-model=pic < %s | FileCheck %s 2 3 ; The load restoring r30 at the end of the function was placed out of order 4 ; relative to its uses as the PIC base pointer. 5 ; This was because the r30 operand was not marked as "def" which allowed 6 ; the post-RA scheduler to move it over other uses of r30. 7 8 ; CHECK-LABEL: fred 9 ; CHECK: lwz 30, 24(1) 10 ; R30 should not appear in an instruction after it's been restored. 11 ; CHECK-NOT: 30, 12 13 target datalayout = "E-m:e-p:32:32-i64:64-n32" 14 target triple = "powerpc--" 15 16 define double @fred(i64 %a) #0 { 17 entry: 18 %0 = lshr i64 %a, 32 19 %conv = trunc i64 %0 to i32 20 %conv1 = sitofp i32 %conv to double 21 %mul = fmul double %conv1, 0x41F0000000000000 22 %and = and i64 %a, 4294967295 23 %or = or i64 %and, 4841369599423283200 24 %sub = fadd double %mul, 0xC330000000000000 25 %1 = bitcast i64 %or to double 26 %add = fadd double %sub, %1 27 ret double %add 28 } 29 30 attributes #0 = { norecurse nounwind readnone "target-cpu"="ppc" "use-soft-float"="false" } 31
