22 lines
698 B
LLVM
22 lines
698 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -mtriple=powerpc64le < %s | FileCheck %s
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; When fpext is free, we should look through it for optimizations
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; even if it has multiple uses and produce an 'fadd' here.
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; Y - (fpext(-X)) --> Y + fpext(X)
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define double @neg_ext_op1_extra_use(float %x, double %y) nounwind {
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; CHECK-LABEL: neg_ext_op1_extra_use:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xsadddp 0, 2, 1
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; CHECK-NEXT: fneg 1, 1
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; CHECK-NEXT: xsdivdp 1, 1, 0
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; CHECK-NEXT: blr
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%t1 = fsub float -0.0, %x
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%t2 = fpext float %t1 to double
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%t3 = fsub double %y, %t2
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%t4 = fdiv double %t2, %t3
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ret double %t4
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}
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