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[AArch64] add tests for nnan/ninf/undef FP simplifications; NFC

This commit is contained in:
Sanjay Patel 2020-03-03 16:28:57 -05:00
parent b5b21812dc
commit f95095e9f6
1 changed files with 128 additions and 0 deletions
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128
llvm/test/CodeGen/AArch64/fp-const-fold.ll
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@ -73,4 +73,132 @@ define double @constant_fold_fma_nan(double* %p) {
ret double %r
}
define double @fdiv_nnan_nan_op0(double %x) {
; CHECK-LABEL: fdiv_nnan_nan_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #-2251799813685248
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fdiv d0, d1, d0
; CHECK-NEXT: ret
%r = fdiv nnan double 0xfff8000000000000, %x
ret double %r
}
define double @fmul_nnan_nan_op1(double %x) {
; CHECK-LABEL: fmul_nnan_nan_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fmul d0, d0, d1
; CHECK-NEXT: ret
%r = fmul nnan double %x, 0x7ff8000000000000
ret double %r
}
define double @fdiv_ninf_nan_op0(double %x) {
; CHECK-LABEL: fdiv_ninf_nan_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #-2251799813685248
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fdiv d0, d1, d0
; CHECK-NEXT: ret
%r = fdiv ninf double 0xfff8000000000000, %x
ret double %r
}
define double @fadd_ninf_nan_op1(double %x) {
; CHECK-LABEL: fadd_ninf_nan_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fadd d0, d0, d1
; CHECK-NEXT: ret
%r = fadd ninf double %x, 0x7ff8000000000000
ret double %r
}
define double @fdiv_ninf_inf_op0(double %x) {
; CHECK-LABEL: fdiv_ninf_inf_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9218868437227405312
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fdiv d0, d1, d0
; CHECK-NEXT: ret
%r = fdiv ninf double 0x7ff0000000000000, %x
ret double %r
}
define double @fadd_ninf_inf_op1(double %x) {
; CHECK-LABEL: fadd_ninf_inf_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #-4503599627370496
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fadd d0, d0, d1
; CHECK-NEXT: ret
%r = fadd ninf double %x, 0xfff0000000000000
ret double %r
}
define double @fsub_nnan_inf_op0(double %x) {
; CHECK-LABEL: fsub_nnan_inf_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9218868437227405312
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fsub d0, d1, d0
; CHECK-NEXT: ret
%r = fsub nnan double 0x7ff0000000000000, %x
ret double %r
}
define double @fmul_nnan_inf_op1(double %x) {
; CHECK-LABEL: fmul_nnan_inf_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #-4503599627370496
; CHECK-NEXT: fmov d1, x8
; CHECK-NEXT: fmul d0, d0, d1
; CHECK-NEXT: ret
%r = fmul nnan double %x, 0xfff0000000000000
ret double %r
}
define double @fdiv_nnan_undef_op0(double %x) {
; CHECK-LABEL: fdiv_nnan_undef_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d0, x8
; CHECK-NEXT: ret
%r = fdiv nnan double undef, %x
ret double %r
}
define double @fdiv_nnan_undef_op1(double %x) {
; CHECK-LABEL: fdiv_nnan_undef_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d0, x8
; CHECK-NEXT: ret
%r = fdiv nnan double %x, undef
ret double %r
}
define double @fdiv_ninf_undef_op0(double %x) {
; CHECK-LABEL: fdiv_ninf_undef_op0:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d0, x8
; CHECK-NEXT: ret
%r = fdiv ninf double undef, %x
ret double %r
}
define double @fdiv_ninf_undef_op1(double %x) {
; CHECK-LABEL: fdiv_ninf_undef_op1:
; CHECK: // %bb.0:
; CHECK-NEXT: mov x8, #9221120237041090560
; CHECK-NEXT: fmov d0, x8
; CHECK-NEXT: ret
%r = fdiv ninf double %x, undef
ret double %r
}
declare double @llvm.fma.f64(double, double, double)