forked from OSchip/llvm-project
ValueTracking: Add tests for isKnownNeverNaN
llvm-svn: 340090
This commit is contained in:
parent
aa56bac652
commit
ea4b476a30
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@ -1,6 +1,18 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -instcombine %s | FileCheck %s
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declare double @func()
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define i1 @nnan_call() {
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; CHECK-LABEL: @nnan_call(
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; CHECK-NEXT: [[OP:%.*]] = call nnan double @func()
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; CHECK-NEXT: ret i1 true
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;
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%op = call nnan double @func()
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fabs_src(double %arg) {
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; CHECK-LABEL: @nnan_fabs_src(
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; CHECK-NEXT: ret i1 true
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@ -11,8 +23,8 @@ define i1 @nnan_fabs_src(double %arg) {
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ret i1 %tmp
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}
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define i1 @nnan_opicalize_src(double %arg) {
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; CHECK-LABEL: @nnan_opicalize_src(
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define i1 @nnan_canonicalize_src(double %arg) {
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; CHECK-LABEL: @nnan_canonicalize_src(
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; CHECK-NEXT: ret i1 true
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;
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%nnan = fadd nnan double %arg, 1.0
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@ -55,7 +67,334 @@ define i1 @fabs_sqrt_src_maybe_nan(double %arg0, double %arg1) {
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ret i1 %tmp
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}
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define i1 @exp_nnan_src(double %arg) {
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; CHECK-LABEL: @exp_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.exp.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.exp.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @exp2_nnan_src(double %arg) {
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; CHECK-LABEL: @exp2_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.exp2.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.exp2.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @floor_nnan_src(double %arg) {
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; CHECK-LABEL: @floor_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.floor.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.floor.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @ceil_nnan_src(double %arg) {
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; CHECK-LABEL: @ceil_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.ceil.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.ceil.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @trunc_nnan_src(double %arg) {
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; CHECK-LABEL: @trunc_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.trunc.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.trunc.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @rint_nnan_src(double %arg) {
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; CHECK-LABEL: @rint_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.rint.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.rint.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nearbyint_nnan_src(double %arg) {
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; CHECK-LABEL: @nearbyint_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.nearbyint.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.nearbyint.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @round_nnan_src(double %arg) {
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; CHECK-LABEL: @round_nnan_src(
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; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.round.f64(double [[NNAN]])
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan = fadd nnan double %arg, 1.0
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%op = call double @llvm.round.f64(double %nnan)
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @known_nan_select(i1 %cond, double %arg0, double %arg1) {
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; CHECK-LABEL: @known_nan_select(
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; CHECK-NEXT: [[LHS:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[RHS:%.*]] = fadd nnan double [[ARG1:%.*]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS]], double [[RHS]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%lhs = fadd nnan double %arg0, 1.0
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%rhs = fadd nnan double %arg1, 2.0
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%op = select i1 %cond, double %lhs, double %rhs
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @select_maybe_nan_lhs(i1 %cond, double %lhs, double %arg1) {
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; CHECK-LABEL: @select_maybe_nan_lhs(
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; CHECK-NEXT: [[RHS:%.*]] = fadd nnan double [[ARG1:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS:%.*]], double [[RHS]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%rhs = fadd nnan double %arg1, 1.0
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%op = select i1 %cond, double %lhs, double %rhs
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @select_maybe_nan_rhs(i1 %cond, double %arg0, double %rhs) {
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; CHECK-LABEL: @select_maybe_nan_rhs(
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; CHECK-NEXT: [[LHS:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS]], double [[RHS:%.*]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%lhs = fadd nnan double %arg0, 1.0
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%op = select i1 %cond, double %lhs, double %rhs
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fadd(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fadd(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG0]], [[NNAN_ARG1]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%nnan.arg1 = fadd nnan double %arg0, 2.0
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%op = fadd double %nnan.arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fadd_maybe_nan_lhs(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fadd_maybe_nan_lhs(
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG1:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG1]], [[ARG0:%.*]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg1 = fadd nnan double %arg1, 1.0
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%op = fadd double %arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fadd_maybe_nan_rhs(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fadd_maybe_nan_rhs(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG0]], [[ARG1:%.*]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%op = fadd double %nnan.arg0, %arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fmul(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fmul(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fmul double [[NNAN_ARG0]], [[NNAN_ARG1]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%nnan.arg1 = fadd nnan double %arg0, 2.0
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%op = fmul double %nnan.arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fsub(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fsub(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fsub double [[NNAN_ARG0]], [[NNAN_ARG1]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%nnan.arg1 = fadd nnan double %arg0, 2.0
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%op = fsub double %nnan.arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fneg() {
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; CHECK-LABEL: @nnan_fneg(
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; CHECK-NEXT: [[NNAN:%.*]] = call nnan double @func()
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; CHECK-NEXT: ret i1 true
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;
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%nnan = call nnan double @func()
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%op = fsub double -0.0, %nnan
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @sitofp(i32 %arg0) {
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; CHECK-LABEL: @sitofp(
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; CHECK-NEXT: ret i1 true
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;
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%op = sitofp i32 %arg0 to double
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @uitofp(i32 %arg0) {
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; CHECK-LABEL: @uitofp(
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; CHECK-NEXT: ret i1 true
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;
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%op = uitofp i32 %arg0 to double
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @fpext(float %arg0) {
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; CHECK-LABEL: @fpext(
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; CHECK-NEXT: ret i1 true
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;
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%arg0.nnan = fadd nnan float %arg0, 1.0
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%op = fpext float %arg0.nnan to double
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @fpext_maybe_nan(float %arg0) {
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; CHECK-LABEL: @fpext_maybe_nan(
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[ARG0:%.*]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%op = fpext float %arg0 to double
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @fptrunc(double %arg0) {
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; CHECK-LABEL: @fptrunc(
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; CHECK-NEXT: [[ARG0_NNAN:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fptrunc double [[ARG0_NNAN]] to float
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%arg0.nnan = fadd nnan double %arg0, 1.0
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%op = fptrunc double %arg0.nnan to float
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%tmp = fcmp ord float %op, %op
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ret i1 %tmp
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}
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define i1 @fptrunc_maybe_nan(double %arg0) {
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; CHECK-LABEL: @fptrunc_maybe_nan(
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; CHECK-NEXT: [[OP:%.*]] = fptrunc double [[ARG0:%.*]] to float
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%op = fptrunc double %arg0 to float
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%tmp = fcmp ord float %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_fdiv(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_fdiv(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = fdiv double [[NNAN_ARG0]], [[NNAN_ARG1]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%nnan.arg1 = fadd nnan double %arg0, 2.0
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%op = fdiv double %nnan.arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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define i1 @nnan_frem(double %arg0, double %arg1) {
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; CHECK-LABEL: @nnan_frem(
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; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00
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; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00
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; CHECK-NEXT: [[OP:%.*]] = frem double [[NNAN_ARG0]], [[NNAN_ARG1]]
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; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00
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; CHECK-NEXT: ret i1 [[TMP]]
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;
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%nnan.arg0 = fadd nnan double %arg0, 1.0
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%nnan.arg1 = fadd nnan double %arg0, 2.0
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%op = frem double %nnan.arg0, %nnan.arg1
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%tmp = fcmp ord double %op, %op
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ret i1 %tmp
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}
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declare double @llvm.sqrt.f64(double)
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declare double @llvm.fabs.f64(double)
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declare double @llvm.canonicalize.f64(double)
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declare double @llvm.copysign.f64(double, double)
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declare double @llvm.exp.f64(double)
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declare double @llvm.exp2.f64(double)
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declare double @llvm.floor.f64(double)
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declare double @llvm.ceil.f64(double)
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declare double @llvm.trunc.f64(double)
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declare double @llvm.rint.f64(double)
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declare double @llvm.nearbyint.f64(double)
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declare double @llvm.round.f64(double)
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