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[x86] add tests for pow --> cbrt; NFC

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llvm-svn: 341575
This commit is contained in:
Sanjay Patel 2018-09-06 18:42:55 +00:00
parent da7bdb784d
commit e7e4be6cca
1 changed files with 24 additions and 0 deletions
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24
test/CodeGen/X86/pow.ll
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@ -162,3 +162,27 @@ define <2 x double> @pow_v2f64_one_fourth_not_enough_fmf(<2 x double> %x) nounwi
ret <2 x double> %r
}
define float @pow_f32_one_third_fmf(float %x) nounwind {
; CHECK-LABEL: pow_f32_one_third_fmf:
; CHECK: # %bb.0:
; CHECK-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: jmp powf # TAILCALL
%one = uitofp i32 1 to float
%three = uitofp i32 3 to float
%exp = fdiv float %one, %three
%r = call nsz nnan ninf afn float @llvm.pow.f32(float %x, float %exp)
ret float %r
}
define double @pow_f64_one_third_fmf(double %x) nounwind {
; CHECK-LABEL: pow_f64_one_third_fmf:
; CHECK: # %bb.0:
; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: jmp pow # TAILCALL
%one = uitofp i32 1 to double
%three = uitofp i32 3 to double
%exp = fdiv double %one, %three
%r = call nsz nnan ninf afn double @llvm.pow.f64(double %x, double %exp)
ret double %r
}