llvm-6502/test/CodeGen/Mips/brdelayslot.ll
2012-11-03 00:53:12 +00:00

38 lines
699 B
LLVM

; RUN: llc -march=mipsel -O0 < %s | FileCheck %s -check-prefix=None
; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=Default
define void @foo1() nounwind {
entry:
; Default: jalr
; Default-NOT: nop
; Default: jr
; Default-NOT: nop
; Default: .end
; None: jalr
; None: nop
; None: jr
; None: nop
; None: .end
tail call void @foo2(i32 3) nounwind
ret void
}
declare void @foo2(i32)
; Check that cvt.d.w goes into jalr's delay slot.
;
define void @foo3(i32 %a) nounwind {
entry:
; Default: foo3:
; Default: jalr
; Default: cvt.d.w
%conv = sitofp i32 %a to double
tail call void @foo4(double %conv) nounwind
ret void
}
declare void @foo4(double)