Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/CodeGen/X86/fdiv.ll

@@ -1,69 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc < %s -mtriple=x86_64-unknown-unknown -enable-unsafe-fp-math | FileCheck %s
-
-define double @exact(double %x) {
-; Exact division by a constant converted to multiplication.
-; CHECK-LABEL: exact:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    mulsd {{.*}}(%rip), %xmm0
-; CHECK-NEXT:    retq
-  %div = fdiv double %x, 2.0
-  ret double %div
-}
-
-define double @inexact(double %x) {
-; Inexact division by a constant converted to multiplication.
-; CHECK-LABEL: inexact:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    mulsd {{.*}}(%rip), %xmm0
-; CHECK-NEXT:    retq
-  %div = fdiv double %x, 0x41DFFFFFFFC00000
-  ret double %div
-}
-
-define double @funky(double %x) {
-; No conversion to multiplication if too funky.
-; CHECK-LABEL: funky:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    xorpd %xmm1, %xmm1
-; CHECK-NEXT:    divsd %xmm1, %xmm0
-; CHECK-NEXT:    retq
-  %div = fdiv double %x, 0.0
-  ret double %div
-}
-
-define double @denormal1(double %x) {
-; Don't generate multiplication by a denormal.
-; CHECK-LABEL: denormal1:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    divsd {{.*}}(%rip), %xmm0
-; CHECK-NEXT:    retq
-  %div = fdiv double %x, 0x7FD0000000000001
-  ret double %div
-}
-
-define double @denormal2(double %x) {
-; Don't generate multiplication by a denormal.
-; CHECK-LABEL: denormal2:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    divsd {{.*}}(%rip), %xmm0
-; CHECK-NEXT:    retq
-  %div = fdiv double %x, 0x7FEFFFFFFFFFFFFF
-  ret double %div
-}
-
-; Deleting the negates does not require unsafe-fp-math.
-
-define float @double_negative(float %x, float %y) #0 {
-; CHECK-LABEL: double_negative:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    divss %xmm1, %xmm0
-; CHECK-NEXT:    retq
-  %neg1 = fsub float -0.0, %x
-  %neg2 = fsub float -0.0, %y
-  %div = fdiv float %neg1, %neg2
-  ret float %div
-}
-
-attributes #0 = { "unsafe-fp-math"="false" }
-