llvm/llvm/test/Transforms/NewGVN/fpmath.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -passes=newgvn -S < %s | FileCheck %s

define double @test1(double %x, double %y) {
; CHECK-LABEL: define double @test1(
; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]]
; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
; CHECK-NEXT:    ret double [[FOO]]
;
  %add1 = fadd double %x, %y, !fpmath !0
  %add2 = fadd double %x, %y
  %foo = fadd double %add1, %add2
  ret double %foo
}

define double @test2(double %x, double %y) {
; CHECK-LABEL: define double @test2(
; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META0:![0-9]+]]
; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
; CHECK-NEXT:    ret double [[FOO]]
;
  %add1 = fadd double %x, %y, !fpmath !0
  %add2 = fadd double %x, %y, !fpmath !0
  %foo = fadd double %add1, %add2
  ret double %foo
}

define double @test3(double %x, double %y) {
; CHECK-LABEL: define double @test3(
; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META1:![0-9]+]]
; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
; CHECK-NEXT:    ret double [[FOO]]
;
  %add1 = fadd double %x, %y, !fpmath !1
  %add2 = fadd double %x, %y, !fpmath !0
  %foo = fadd double %add1, %add2
  ret double %foo
}

define double @test4(double %x, double %y) {
; CHECK-LABEL: define double @test4(
; CHECK-SAME: double [[X:%.*]], double [[Y:%.*]]) {
; CHECK-NEXT:    [[ADD1:%.*]] = fadd double [[X]], [[Y]], !fpmath [[META1]]
; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[ADD1]], [[ADD1]]
; CHECK-NEXT:    ret double [[FOO]]
;
  %add1 = fadd double %x, %y, !fpmath !0
  %add2 = fadd double %x, %y, !fpmath !1
  %foo = fadd double %add1, %add2
  ret double %foo
}

define double @test5(double %x) {
; CHECK-LABEL: define double @test5(
; CHECK-SAME: double [[X:%.*]]) {
; CHECK-NEXT:    [[NEG1:%.*]] = fneg double [[X]], !fpmath [[META1]]
; CHECK-NEXT:    [[FOO:%.*]] = fadd double [[NEG1]], [[NEG1]]
; CHECK-NEXT:    ret double [[FOO]]
;
  %neg1 = fneg double %x, !fpmath !0
  %neg2 = fneg double %x, !fpmath !1
  %foo = fadd double %neg1, %neg2
  ret double %foo
}


!0 = !{ float 5.0 }
!1 = !{ float 2.5 }
;.
; CHECK: [[META0]] = !{float 5.000000e+00}
; CHECK: [[META1]] = !{float 2.500000e+00}
;.