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