Commit 22a535e9 authored by Craig Topper's avatar Craig Topper
Browse files

[X86] Add fptosi test to fp-intrinsics.ll

parent ff1504da
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+19 −0
Original line number Diff line number Diff line
@@ -400,6 +400,25 @@ entry:
  ret double %rem
}

; Verify that fptosi(%x) isn't simplified when the rounding mode is
; unknown. The expansion should have only one conversion instruction.
; Verify that no gross errors happen.
define i32 @f20s(double %x) #0 {
; SSE-LABEL: f20s:
; SSE:       # %bb.0: # %entry
; SSE-NEXT:    cvttsd2si %xmm0, %eax
; SSE-NEXT:    retq
;
; AVX-LABEL: f20s:
; AVX:       # %bb.0: # %entry
; AVX-NEXT:    vcvttsd2si %xmm0, %eax
; AVX-NEXT:    retq
entry:
  %result = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %x,
                                               metadata !"fpexcept.strict") #0
  ret i32 %result
}

; Verify that fptoui(%x) isn't simplified when the rounding mode is
; unknown. The expansion should have only one conversion instruction.
; Verify that no gross errors happen.