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[InstSimplify] add tests for fma/fmuladd; NFC
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llvm-svn: 372236
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@rotateright
rotateright committed Sep 18, 2019
1 parent 0736f7f commit e406a3f
Showing 1 changed file with 136 additions and 0 deletions.
136 changes: 136 additions & 0 deletions llvm/test/Transforms/InstSimplify/call.ll
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Expand Up @@ -742,3 +742,139 @@ define i9 @fshr_shift_undef(i9 %x, i9 %y) {
ret i9 %r
}

declare double @llvm.fma.f64(double,double,double)
declare double @llvm.fmuladd.f64(double,double,double)

define double @fma_nan_op0(double %x, double %y) {
; CHECK-LABEL: @fma_nan_op0(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double 0x7FF8000000000000, double [[X:%.*]], double [[Y:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fma.f64(double 0x7ff8000000000000, double %x, double %y)
ret double %r
}

define double @fma_nan_op1(double %x, double %y) {
; CHECK-LABEL: @fma_nan_op1(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double [[X:%.*]], double 0x7FF8000000000001, double [[Y:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fma.f64(double %x, double 0x7ff8000000000001, double %y)
ret double %r
}

define double @fma_nan_op2(double %x, double %y) {
; CHECK-LABEL: @fma_nan_op2(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double [[X:%.*]], double [[Y:%.*]], double 0x7FF8000000000002)
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fma.f64(double %x, double %y, double 0x7ff8000000000002)
ret double %r
}

define double @fmuladd_nan_op0_op1(double %x) {
; CHECK-LABEL: @fmuladd_nan_op0_op1(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double 0x7FF8000000001234, double 0x7FF800000000DEAD, double [[X:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fmuladd.f64(double 0x7ff8000000001234, double 0x7ff800000000dead, double %x)
ret double %r
}

define double @fmuladd_nan_op0_op2(double %x) {
; CHECK-LABEL: @fmuladd_nan_op0_op2(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double 0x7FF8000000005678, double [[X:%.*]], double 0x7FF800000000DEAD)
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fmuladd.f64(double 0x7ff8000000005678, double %x, double 0x7ff800000000dead)
ret double %r
}

define double @fmuladd_nan_op1_op2(double %x) {
; CHECK-LABEL: @fmuladd_nan_op1_op2(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double [[X:%.*]], double 0x7FF80000AAAAAAAA, double 0x7FF800000000DEAD)
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fmuladd.f64(double %x, double 0x7ff80000aaaaaaaa, double 0x7ff800000000dead)
ret double %r
}

define double @fma_nan_multiplicand_inf_zero(double %x) {
; CHECK-LABEL: @fma_nan_multiplicand_inf_zero(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double 0x7FF0000000000000, double 0.000000e+00, double [[X:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fma.f64(double 0x7ff0000000000000, double 0.0, double %x)
ret double %r
}

define double @fma_nan_multiplicand_zero_inf(double %x) {
; CHECK-LABEL: @fma_nan_multiplicand_zero_inf(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double 0.000000e+00, double 0x7FF0000000000000, double [[X:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fma.f64(double 0.0, double 0x7ff0000000000000, double %x)
ret double %r
}

define double @fma_nan_addend_inf_neginf(double %x, i32 %y) {
; CHECK-LABEL: @fma_nan_addend_inf_neginf(
; CHECK-NEXT: [[NOTNAN:%.*]] = uitofp i32 [[Y:%.*]] to double
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double 0x7FF0000000000000, double [[NOTNAN]], double 0xFFF0000000000000)
; CHECK-NEXT: ret double [[R]]
;
%notnan = uitofp i32 %y to double
%r = call double @llvm.fma.f64(double 0x7ff0000000000000, double %notnan, double 0xfff0000000000000)
ret double %r
}

define double @fma_nan_addend_neginf_inf(double %x, i1 %y) {
; CHECK-LABEL: @fma_nan_addend_neginf_inf(
; CHECK-NEXT: [[NOTNAN:%.*]] = select i1 [[Y:%.*]], double 4.200000e+01, double -1.000000e-01
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fma.f64(double [[NOTNAN]], double 0xFFF0000000000000, double 0x7FF0000000000000)
; CHECK-NEXT: ret double [[R]]
;
%notnan = select i1 %y, double 42.0, double -0.1
%r = call double @llvm.fma.f64(double %notnan, double 0xfff0000000000000, double 0x7ff0000000000000)
ret double %r
}

define double @fmuladd_nan_multiplicand_neginf_zero(double %x) {
; CHECK-LABEL: @fmuladd_nan_multiplicand_neginf_zero(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double 0xFFF0000000000000, double 0.000000e+00, double [[X:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fmuladd.f64(double 0xfff0000000000000, double 0.0, double %x)
ret double %r
}

define double @fmuladd_nan_multiplicand_negzero_inf(double %x) {
; CHECK-LABEL: @fmuladd_nan_multiplicand_negzero_inf(
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double -0.000000e+00, double 0x7FF0000000000000, double [[X:%.*]])
; CHECK-NEXT: ret double [[R]]
;
%r = call double @llvm.fmuladd.f64(double -0.0, double 0x7ff0000000000000, double %x)
ret double %r
}

define double @fmuladd_nan_addend_inf_neginf(double %x, i32 %y) {
; CHECK-LABEL: @fmuladd_nan_addend_inf_neginf(
; CHECK-NEXT: [[NOTNAN:%.*]] = sitofp i32 [[Y:%.*]] to double
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double 0x7FF0000000000000, double [[NOTNAN]], double 0xFFF0000000000000)
; CHECK-NEXT: ret double [[R]]
;
%notnan = sitofp i32 %y to double
%r = call double @llvm.fmuladd.f64(double 0x7ff0000000000000, double %notnan, double 0xfff0000000000000)
ret double %r
}

define double @fmuladd_nan_addend_neginf_inf(double %x, i1 %y) {
; CHECK-LABEL: @fmuladd_nan_addend_neginf_inf(
; CHECK-NEXT: [[NOTNAN:%.*]] = select i1 [[Y:%.*]], double 4.200000e+01, double -1.000000e-01
; CHECK-NEXT: [[R:%.*]] = call double @llvm.fmuladd.f64(double [[NOTNAN]], double 0xFFF0000000000000, double 0x7FF0000000000000)
; CHECK-NEXT: ret double [[R]]
;
%notnan = select i1 %y, double 42.0, double -0.1
%r = call double @llvm.fmuladd.f64(double %notnan, double 0xfff0000000000000, double 0x7ff0000000000000)
ret double %r
}

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