llvm-project/llvm/test/Transforms/InstSimplify/fp-undef.ll

165 lines
3.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instsimplify -S | FileCheck %s
define float @fadd_undef_op0(float %x) {
; CHECK-LABEL: @fadd_undef_op0(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fadd float undef, %x
ret float %r
}
define float @fadd_undef_op1(float %x) {
; CHECK-LABEL: @fadd_undef_op1(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fadd float %x, undef
ret float %r
}
define float @fsub_undef_op0(float %x) {
; CHECK-LABEL: @fsub_undef_op0(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fsub float undef, %x
ret float %r
}
define float @fsub_undef_op1(float %x) {
; CHECK-LABEL: @fsub_undef_op1(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fsub float %x, undef
ret float %r
}
define float @fmul_undef_op0(float %x) {
; CHECK-LABEL: @fmul_undef_op0(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fmul float undef, %x
ret float %r
}
define float @fmul_undef_op1(float %x) {
; CHECK-LABEL: @fmul_undef_op1(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fmul float %x, undef
ret float %r
}
define float @fdiv_undef_op0(float %x) {
; CHECK-LABEL: @fdiv_undef_op0(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fdiv float undef, %x
ret float %r
}
define float @fdiv_undef_op1(float %x) {
; CHECK-LABEL: @fdiv_undef_op1(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fdiv float %x, undef
ret float %r
}
define float @frem_undef_op0(float %x) {
; CHECK-LABEL: @frem_undef_op0(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = frem float undef, %x
ret float %r
}
define float @frem_undef_op1(float %x) {
; CHECK-LABEL: @frem_undef_op1(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = frem float %x, undef
ret float %r
}
; Repeat all tests with fast-math-flags. Alternate 'nnan' and 'fast' for more coverage.
define float @fadd_undef_op0_nnan(float %x) {
; CHECK-LABEL: @fadd_undef_op0_nnan(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fadd nnan float undef, %x
ret float %r
}
define float @fadd_undef_op1_fast(float %x) {
; CHECK-LABEL: @fadd_undef_op1_fast(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fadd fast float %x, undef
ret float %r
}
define float @fsub_undef_op0_fast(float %x) {
; CHECK-LABEL: @fsub_undef_op0_fast(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fsub fast float undef, %x
ret float %r
}
define float @fsub_undef_op1_nnan(float %x) {
; CHECK-LABEL: @fsub_undef_op1_nnan(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fsub nnan float %x, undef
ret float %r
}
define float @fmul_undef_op0_nnan(float %x) {
; CHECK-LABEL: @fmul_undef_op0_nnan(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fmul nnan float undef, %x
ret float %r
}
define float @fmul_undef_op1_fast(float %x) {
; CHECK-LABEL: @fmul_undef_op1_fast(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fmul fast float %x, undef
ret float %r
}
define float @fdiv_undef_op0_fast(float %x) {
; CHECK-LABEL: @fdiv_undef_op0_fast(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fdiv fast float undef, %x
ret float %r
}
define float @fdiv_undef_op1_nnan(float %x) {
; CHECK-LABEL: @fdiv_undef_op1_nnan(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = fdiv nnan float %x, undef
ret float %r
}
define float @frem_undef_op0_nnan(float %x) {
; CHECK-LABEL: @frem_undef_op0_nnan(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = frem nnan float undef, %x
ret float %r
}
define float @frem_undef_op1_fast(float %x) {
; CHECK-LABEL: @frem_undef_op1_fast(
; CHECK-NEXT: ret float 0x7FF8000000000000
;
%r = frem fast float %x, undef
ret float %r
}