forked from OSchip/llvm-project
[x86] add tests for DAG FP undef operands; NFC
llvm-svn: 332484
This commit is contained in:
Sanjay Patel
parent
22176a2242
commit
b3ac148cb4
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@ -0,0 +1,497 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
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; This is duplicated from tests for InstSimplify. If you're
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; adding something here, you should probably add it there too.
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define float @fadd_undef_op0(float %x) {
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; CHECK-LABEL: fadd_undef_op0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fadd float undef, %x
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ret float %r
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}
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define float @fadd_undef_op1(float %x) {
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; CHECK-LABEL: fadd_undef_op1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fadd float %x, undef
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ret float %r
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}
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define float @fsub_undef_op0(float %x) {
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; CHECK-LABEL: fsub_undef_op0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub float undef, %x
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ret float %r
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}
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define float @fsub_undef_op1(float %x) {
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; CHECK-LABEL: fsub_undef_op1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: subss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fsub float %x, undef
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ret float %r
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}
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define float @fmul_undef_op0(float %x) {
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; CHECK-LABEL: fmul_undef_op0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fmul float undef, %x
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ret float %r
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}
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define float @fmul_undef_op1(float %x) {
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; CHECK-LABEL: fmul_undef_op1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fmul float %x, undef
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ret float %r
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}
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define float @fdiv_undef_op0(float %x) {
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; CHECK-LABEL: fdiv_undef_op0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fdiv float undef, %x
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ret float %r
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}
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define float @fdiv_undef_op1(float %x) {
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; CHECK-LABEL: fdiv_undef_op1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: divss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fdiv float %x, undef
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ret float %r
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}
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define float @frem_undef_op0(float %x) {
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; CHECK-LABEL: frem_undef_op0:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = frem float undef, %x
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ret float %r
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}
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define float @frem_undef_op1(float %x) {
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; CHECK-LABEL: frem_undef_op1:
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; CHECK: # %bb.0:
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; CHECK-NEXT: jmp fmodf # TAILCALL
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%r = frem float %x, undef
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ret float %r
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}
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; Repeat all tests with fast-math-flags. Alternate 'nnan' and 'fast' for more coverage.
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define float @fadd_undef_op0_nnan(float %x) {
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; CHECK-LABEL: fadd_undef_op0_nnan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fadd nnan float undef, %x
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ret float %r
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}
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define float @fadd_undef_op1_fast(float %x) {
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; CHECK-LABEL: fadd_undef_op1_fast:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fadd fast float %x, undef
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ret float %r
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}
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define float @fsub_undef_op0_fast(float %x) {
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; CHECK-LABEL: fsub_undef_op0_fast:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub fast float undef, %x
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ret float %r
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}
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define float @fsub_undef_op1_nnan(float %x) {
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; CHECK-LABEL: fsub_undef_op1_nnan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: subss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fsub nnan float %x, undef
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ret float %r
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}
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define float @fmul_undef_op0_nnan(float %x) {
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; CHECK-LABEL: fmul_undef_op0_nnan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fmul nnan float undef, %x
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ret float %r
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}
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define float @fmul_undef_op1_fast(float %x) {
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; CHECK-LABEL: fmul_undef_op1_fast:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fmul fast float %x, undef
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ret float %r
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}
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define float @fdiv_undef_op0_fast(float %x) {
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; CHECK-LABEL: fdiv_undef_op0_fast:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fdiv fast float undef, %x
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ret float %r
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}
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define float @fdiv_undef_op1_nnan(float %x) {
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; CHECK-LABEL: fdiv_undef_op1_nnan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: divss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fdiv nnan float %x, undef
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ret float %r
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}
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define float @frem_undef_op0_nnan(float %x) {
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; CHECK-LABEL: frem_undef_op0_nnan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = frem nnan float undef, %x
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ret float %r
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}
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define float @frem_undef_op1_fast(float %x) {
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; CHECK-LABEL: frem_undef_op1_fast:
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; CHECK: # %bb.0:
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; CHECK-NEXT: jmp fmodf # TAILCALL
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%r = frem fast float %x, undef
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ret float %r
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}
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; Constant folding - undef undef.
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define double @fadd_undef_undef(double %x) {
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; CHECK-LABEL: fadd_undef_undef:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addsd %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fadd double undef, undef
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ret double %r
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}
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define double @fsub_undef_undef(double %x) {
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; CHECK-LABEL: fsub_undef_undef:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub double undef, undef
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ret double %r
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}
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define double @fmul_undef_undef(double %x) {
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; CHECK-LABEL: fmul_undef_undef:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulsd %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fmul double undef, undef
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ret double %r
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}
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define double @fdiv_undef_undef(double %x) {
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; CHECK-LABEL: fdiv_undef_undef:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fdiv double undef, undef
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ret double %r
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}
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define double @frem_undef_undef(double %x) {
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; CHECK-LABEL: frem_undef_undef:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = frem double undef, undef
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ret double %r
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}
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; Constant folding.
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define float @fadd_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: fadd_undef_op0_nnan_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd nnan float undef, 1.0
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ret float %r
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}
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define float @fadd_undef_op1_constant(float %x) {
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; CHECK-LABEL: fadd_undef_op1_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addss {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd float 2.0, undef
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ret float %r
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}
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define float @fsub_undef_op0_fast_constant(float %x) {
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; CHECK-LABEL: fsub_undef_op0_fast_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub fast float undef, 3.0
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ret float %r
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}
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define float @fsub_undef_op1_constant(float %x) {
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; CHECK-LABEL: fsub_undef_op1_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT: subss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fsub float 4.0, undef
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ret float %r
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}
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define float @fmul_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: fmul_undef_op0_nnan_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fmul nnan float undef, 5.0
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ret float %r
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}
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define float @fmul_undef_op1_constant(float %x) {
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; CHECK-LABEL: fmul_undef_op1_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fmul float 6.0, undef
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ret float %r
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}
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define float @fdiv_undef_op0_fast_constant(float %x) {
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; CHECK-LABEL: fdiv_undef_op0_fast_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fdiv fast float undef, 7.0
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ret float %r
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}
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define float @fdiv_undef_op1_constant(float %x) {
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; CHECK-LABEL: fdiv_undef_op1_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT: divss %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fdiv float 8.0, undef
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ret float %r
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}
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define float @frem_undef_op0_nnan_constant(float %x) {
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; CHECK-LABEL: frem_undef_op0_nnan_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = frem nnan float undef, 9.0
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ret float %r
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}
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define float @frem_undef_op1_constant(float %x) {
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; CHECK-LABEL: frem_undef_op1_constant:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
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; CHECK-NEXT: jmp fmodf # TAILCALL
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%r = frem float 10.0, undef
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ret float %r
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}
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; Constant folding - special constants: NaN.
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define double @fadd_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: fadd_undef_op0_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd double undef, 0x7FF8000000000000
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ret double %r
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}
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define double @fadd_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: fadd_undef_op1_fast_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd fast double 0xFFF0000000000001, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: fsub_undef_op0_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub double undef, 0xFFF8000000000010
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ret double %r
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}
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define double @fsub_undef_op1_nnan_constant_nan(double %x) {
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; CHECK-LABEL: fsub_undef_op1_nnan_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: subsd %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fsub nnan double 0x7FF0000000000011, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: fmul_undef_op0_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fmul double undef, 0x7FF8000000000100
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ret double %r
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}
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define double @fmul_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: fmul_undef_op1_fast_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fmul fast double 0xFFF0000000000101, undef
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ret double %r
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}
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define double @fdiv_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: fdiv_undef_op0_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fdiv double undef, 0xFFF8000000000110
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ret double %r
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}
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define double @fdiv_undef_op1_nnan_constant_nan(double %x) {
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; CHECK-LABEL: fdiv_undef_op1_nnan_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: divsd %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fdiv nnan double 0x7FF0000000000111, undef
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ret double %r
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}
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define double @frem_undef_op0_constant_nan(double %x) {
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; CHECK-LABEL: frem_undef_op0_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = frem double undef, 0x7FF8000000001000
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ret double %r
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}
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define double @frem_undef_op1_fast_constant_nan(double %x) {
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; CHECK-LABEL: frem_undef_op1_fast_constant_nan:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: jmp fmod # TAILCALL
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%r = frem fast double 0xFFF0000000001001, undef
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ret double %r
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}
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; Constant folding - special constants: Inf.
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define double @fadd_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: fadd_undef_op0_constant_inf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd double undef, 0x7FF0000000000000
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ret double %r
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}
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define double @fadd_undef_op1_fast_constant_inf(double %x) {
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; CHECK-LABEL: fadd_undef_op1_fast_constant_inf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: addsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
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%r = fadd fast double 0xFFF0000000000000, undef
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ret double %r
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}
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define double @fsub_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: fsub_undef_op0_constant_inf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: retq
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%r = fsub double undef, 0xFFF0000000000000
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ret double %r
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}
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define double @fsub_undef_op1_ninf_constant_inf(double %x) {
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; CHECK-LABEL: fsub_undef_op1_ninf_constant_inf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
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; CHECK-NEXT: subsd %xmm0, %xmm0
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; CHECK-NEXT: retq
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%r = fsub ninf double 0x7FF0000000000000, undef
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ret double %r
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}
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define double @fmul_undef_op0_constant_inf(double %x) {
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; CHECK-LABEL: fmul_undef_op0_constant_inf:
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; CHECK: # %bb.0:
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; CHECK-NEXT: mulsd {{.*}}(%rip), %xmm0
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; CHECK-NEXT: retq
|
||||
%r = fmul double undef, 0x7FF0000000000000
|
||||
ret double %r
|
||||
}
|
||||
|
||||
define double @fmul_undef_op1_fast_constant_inf(double %x) {
|
||||
; CHECK-LABEL: fmul_undef_op1_fast_constant_inf:
|
||||
; CHECK: # %bb.0:
|
||||
; CHECK-NEXT: mulsd {{.*}}(%rip), %xmm0
|
||||
; CHECK-NEXT: retq
|
||||
%r = fmul fast double 0xFFF0000000000000, undef
|
||||
ret double %r
|
||||
}
|
||||
|
||||
define double @fdiv_undef_op0_constant_inf(double %x) {
|
||||
; CHECK-LABEL: fdiv_undef_op0_constant_inf:
|
||||
; CHECK: # %bb.0:
|
||||
; CHECK-NEXT: retq
|
||||
%r = fdiv double undef, 0xFFF0000000000000
|
||||
ret double %r
|
||||
}
|
||||
|
||||
define double @fdiv_undef_op1_ninf_constant_inf(double %x) {
|
||||
; CHECK-LABEL: fdiv_undef_op1_ninf_constant_inf:
|
||||
; CHECK: # %bb.0:
|
||||
; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
|
||||
; CHECK-NEXT: divsd %xmm0, %xmm0
|
||||
; CHECK-NEXT: retq
|
||||
%r = fdiv ninf double 0x7FF0000000000000, undef
|
||||
ret double %r
|
||||
}
|
||||
|
||||
define double @frem_undef_op0_constant_inf(double %x) {
|
||||
; CHECK-LABEL: frem_undef_op0_constant_inf:
|
||||
; CHECK: # %bb.0:
|
||||
; CHECK-NEXT: retq
|
||||
%r = frem double undef, 0x7FF0000000000000
|
||||
ret double %r
|
||||
}
|
||||
|
||||
define double @frem_undef_op1_fast_constant_inf(double %x) {
|
||||
; CHECK-LABEL: frem_undef_op1_fast_constant_inf:
|
||||
; CHECK: # %bb.0:
|
||||
; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
|
||||
; CHECK-NEXT: jmp fmod # TAILCALL
|
||||
%r = frem fast double 0xFFF0000000000000, undef
|
||||
ret double %r
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue