2019-04-17 12:52:47 +08:00
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -instcombine | FileCheck %s
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; This file used to contain more tests that folded to true/false,
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; but those are all tested identically in InstSimplify now.
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; If any remaining tests are made to return true/false, that
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; functionality/testing may be better housed in InstSimplify
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; rather than InstCombine.
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define i1 @fabs_sqrt_src_maybe_nan(double %arg0, double %arg1) {
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; CHECK-LABEL: @fabs_sqrt_src_maybe_nan(
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; CHECK-NEXT: [[FABS:%.*]] = call double @llvm.fabs.f64(double [[ARG0:%.*]])
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; CHECK-NEXT: [[OP:%.*]] = call double @llvm.sqrt.f64(double [[FABS]])
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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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%fabs = call double @llvm.fabs.f64(double %arg0)
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%op = call double @llvm.sqrt.f64(double %fabs)
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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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declare double @func()
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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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2019-05-29 23:21:28 +08:00
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define i1 @nnan_unary_fneg() {
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; CHECK-LABEL: @nnan_unary_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 = fneg 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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2019-04-17 12:52:47 +08:00
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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_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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