File: fp-expr.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=reassociate < %s | FileCheck %s

define void @test1() {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[T1:%.*]] = tail call <4 x float> @blam()
; CHECK-NEXT:    [[T1_NEG:%.*]] = fneg fast <4 x float> [[T1]]
; CHECK-NEXT:    [[T24:%.*]] = fadd fast <4 x float> [[T1_NEG]], undef
; CHECK-NEXT:    tail call void @wombat(<4 x float> [[T24]])
; CHECK-NEXT:    ret void
;
  %t1 = tail call <4 x float> @blam()
  %t23 = fsub fast <4 x float> undef, %t1
  %t24 = fadd fast <4 x float> %t23, undef
  tail call void @wombat(<4 x float> %t24)
  ret void
}

define half @test2() {
; CHECK-LABEL: @test2(
; CHECK-NEXT:    [[T15:%.*]] = fsub fast half undef, undef
; CHECK-NEXT:    [[T15_NEG:%.*]] = fneg fast half [[T15]]
; CHECK-NEXT:    [[T18:%.*]] = fadd fast half [[T15_NEG]], undef
; CHECK-NEXT:    ret half [[T18]]
;
  %t15 = fsub fast half undef, undef
  %t17 = fsub fast half undef, %t15
  %t18 = fadd fast half undef, %t17
  ret half %t18
}



; Function Attrs: optsize
declare <4 x float> @blam()

; Function Attrs: optsize
declare void @wombat(<4 x float>)