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TheRock/compiler/amd-llvm/llvm/test/Transforms/Reassociate/fp-expr.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.1 KiB
LLVM

; 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>)