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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/repeated-fp-divisors.ll
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2026-09-02 16:34:47 -07:00

51 lines
2.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-- < %s | FileCheck %s
; Check if this causes infinite loop when estimation disabled
define <4 x float> @repeated_fp_divisor_noest(float %a, <4 x float> %b) {
; CHECK-LABEL: repeated_fp_divisor_noest:
; CHECK: # %bb.0:
; CHECK-NEXT: vspltisw 3, 1
; CHECK-NEXT: xscvdpspn 0, 1
; CHECK-NEXT: addis 3, 2, .LCPI0_0@toc@ha
; CHECK-NEXT: addi 3, 3, .LCPI0_0@toc@l
; CHECK-NEXT: xvcvsxwsp 2, 35
; CHECK-NEXT: lxvd2x 1, 0, 3
; CHECK-NEXT: xxspltw 0, 0, 0
; CHECK-NEXT: xvdivsp 0, 2, 0
; CHECK-NEXT: xxswapd 36, 1
; CHECK-NEXT: xvmulsp 1, 34, 36
; CHECK-NEXT: xvmulsp 34, 1, 0
; CHECK-NEXT: blr
%ins = insertelement <4 x float> undef, float %a, i32 0
%splat = shufflevector <4 x float> %ins, <4 x float> undef, <4 x i32> zeroinitializer
%t1 = fmul reassoc <4 x float> %b, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0x3FF028F5C0000000>
%mul = fdiv reassoc arcp nsz <4 x float> %t1, %splat
ret <4 x float> %mul
}
define <4 x float> @repeated_fp_divisor(float %a, <4 x float> %b) {
; CHECK-LABEL: repeated_fp_divisor:
; CHECK: # %bb.0:
; CHECK-NEXT: addis 3, 2, .LCPI1_0@toc@ha
; CHECK-NEXT: xscvdpspn 0, 1
; CHECK-NEXT: xxleqv 2, 2, 2
; CHECK-NEXT: xvcvsxwsp 2, 2
; CHECK-NEXT: addi 3, 3, .LCPI1_0@toc@l
; CHECK-NEXT: lxvd2x 1, 0, 3
; CHECK-NEXT: xxspltw 0, 0, 0
; CHECK-NEXT: xxswapd 35, 1
; CHECK-NEXT: xvresp 1, 0
; CHECK-NEXT: xvmaddasp 2, 0, 1
; CHECK-NEXT: xvmulsp 0, 34, 35
; CHECK-NEXT: xvnmsubasp 1, 1, 2
; CHECK-NEXT: xvmulsp 34, 0, 1
; CHECK-NEXT: blr
%ins = insertelement <4 x float> undef, float %a, i32 0
%splat = shufflevector <4 x float> %ins, <4 x float> undef, <4 x i32> zeroinitializer
%t1 = fmul contract reassoc <4 x float> %b, <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 0x3FF028F5C0000000>
%mul = fdiv contract reassoc arcp nsz ninf <4 x float> %t1, %splat
ret <4 x float> %mul
}