diff options
| -rw-r--r-- | llvm/test/Transforms/InstCombine/known-never-nan.ll | 343 |
1 files changed, 341 insertions, 2 deletions
diff --git a/llvm/test/Transforms/InstCombine/known-never-nan.ll b/llvm/test/Transforms/InstCombine/known-never-nan.ll index b36eeafe69d..1d26c203239 100644 --- a/llvm/test/Transforms/InstCombine/known-never-nan.ll +++ b/llvm/test/Transforms/InstCombine/known-never-nan.ll @@ -1,6 +1,18 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -instcombine %s | FileCheck %s +declare double @func() + +define i1 @nnan_call() { +; CHECK-LABEL: @nnan_call( +; CHECK-NEXT: [[OP:%.*]] = call nnan double @func() +; CHECK-NEXT: ret i1 true +; + %op = call nnan double @func() + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + define i1 @nnan_fabs_src(double %arg) { ; CHECK-LABEL: @nnan_fabs_src( ; CHECK-NEXT: ret i1 true @@ -11,8 +23,8 @@ define i1 @nnan_fabs_src(double %arg) { ret i1 %tmp } -define i1 @nnan_opicalize_src(double %arg) { -; CHECK-LABEL: @nnan_opicalize_src( +define i1 @nnan_canonicalize_src(double %arg) { +; CHECK-LABEL: @nnan_canonicalize_src( ; CHECK-NEXT: ret i1 true ; %nnan = fadd nnan double %arg, 1.0 @@ -55,7 +67,334 @@ define i1 @fabs_sqrt_src_maybe_nan(double %arg0, double %arg1) { ret i1 %tmp } +define i1 @exp_nnan_src(double %arg) { +; CHECK-LABEL: @exp_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.exp.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.exp.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @exp2_nnan_src(double %arg) { +; CHECK-LABEL: @exp2_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.exp2.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.exp2.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @floor_nnan_src(double %arg) { +; CHECK-LABEL: @floor_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.floor.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.floor.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @ceil_nnan_src(double %arg) { +; CHECK-LABEL: @ceil_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.ceil.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.ceil.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @trunc_nnan_src(double %arg) { +; CHECK-LABEL: @trunc_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.trunc.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.trunc.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @rint_nnan_src(double %arg) { +; CHECK-LABEL: @rint_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.rint.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.rint.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nearbyint_nnan_src(double %arg) { +; CHECK-LABEL: @nearbyint_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.nearbyint.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.nearbyint.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @round_nnan_src(double %arg) { +; CHECK-LABEL: @round_nnan_src( +; CHECK-NEXT: [[NNAN:%.*]] = fadd nnan double [[ARG:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = call double @llvm.round.f64(double [[NNAN]]) +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan = fadd nnan double %arg, 1.0 + %op = call double @llvm.round.f64(double %nnan) + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @known_nan_select(i1 %cond, double %arg0, double %arg1) { +; CHECK-LABEL: @known_nan_select( +; CHECK-NEXT: [[LHS:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[RHS:%.*]] = fadd nnan double [[ARG1:%.*]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS]], double [[RHS]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %lhs = fadd nnan double %arg0, 1.0 + %rhs = fadd nnan double %arg1, 2.0 + %op = select i1 %cond, double %lhs, double %rhs + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @select_maybe_nan_lhs(i1 %cond, double %lhs, double %arg1) { +; CHECK-LABEL: @select_maybe_nan_lhs( +; CHECK-NEXT: [[RHS:%.*]] = fadd nnan double [[ARG1:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS:%.*]], double [[RHS]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %rhs = fadd nnan double %arg1, 1.0 + %op = select i1 %cond, double %lhs, double %rhs + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @select_maybe_nan_rhs(i1 %cond, double %arg0, double %rhs) { +; CHECK-LABEL: @select_maybe_nan_rhs( +; CHECK-NEXT: [[LHS:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = select i1 [[COND:%.*]], double [[LHS]], double [[RHS:%.*]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %lhs = fadd nnan double %arg0, 1.0 + %op = select i1 %cond, double %lhs, double %rhs + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fadd(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fadd( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG0]], [[NNAN_ARG1]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %nnan.arg1 = fadd nnan double %arg0, 2.0 + %op = fadd double %nnan.arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fadd_maybe_nan_lhs(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fadd_maybe_nan_lhs( +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG1:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG1]], [[ARG0:%.*]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg1 = fadd nnan double %arg1, 1.0 + %op = fadd double %arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fadd_maybe_nan_rhs(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fadd_maybe_nan_rhs( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fadd double [[NNAN_ARG0]], [[ARG1:%.*]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %op = fadd double %nnan.arg0, %arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fmul(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fmul( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fmul double [[NNAN_ARG0]], [[NNAN_ARG1]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %nnan.arg1 = fadd nnan double %arg0, 2.0 + %op = fmul double %nnan.arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fsub(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fsub( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fsub double [[NNAN_ARG0]], [[NNAN_ARG1]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %nnan.arg1 = fadd nnan double %arg0, 2.0 + %op = fsub double %nnan.arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_fneg() { +; CHECK-LABEL: @nnan_fneg( +; CHECK-NEXT: [[NNAN:%.*]] = call nnan double @func() +; CHECK-NEXT: ret i1 true +; + %nnan = call nnan double @func() + %op = fsub double -0.0, %nnan + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @sitofp(i32 %arg0) { +; CHECK-LABEL: @sitofp( +; CHECK-NEXT: ret i1 true +; + %op = sitofp i32 %arg0 to double + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @uitofp(i32 %arg0) { +; CHECK-LABEL: @uitofp( +; CHECK-NEXT: ret i1 true +; + %op = uitofp i32 %arg0 to double + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @fpext(float %arg0) { +; CHECK-LABEL: @fpext( +; CHECK-NEXT: ret i1 true +; + %arg0.nnan = fadd nnan float %arg0, 1.0 + %op = fpext float %arg0.nnan to double + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @fpext_maybe_nan(float %arg0) { +; CHECK-LABEL: @fpext_maybe_nan( +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[ARG0:%.*]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %op = fpext float %arg0 to double + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @fptrunc(double %arg0) { +; CHECK-LABEL: @fptrunc( +; CHECK-NEXT: [[ARG0_NNAN:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fptrunc double [[ARG0_NNAN]] to float +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %arg0.nnan = fadd nnan double %arg0, 1.0 + %op = fptrunc double %arg0.nnan to float + %tmp = fcmp ord float %op, %op + ret i1 %tmp +} + +define i1 @fptrunc_maybe_nan(double %arg0) { +; CHECK-LABEL: @fptrunc_maybe_nan( +; CHECK-NEXT: [[OP:%.*]] = fptrunc double [[ARG0:%.*]] to float +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord float [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %op = fptrunc double %arg0 to float + %tmp = fcmp ord float %op, %op + ret i1 %tmp +} + +define i1 @nnan_fdiv(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_fdiv( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = fdiv double [[NNAN_ARG0]], [[NNAN_ARG1]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %nnan.arg1 = fadd nnan double %arg0, 2.0 + %op = fdiv double %nnan.arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + +define i1 @nnan_frem(double %arg0, double %arg1) { +; CHECK-LABEL: @nnan_frem( +; CHECK-NEXT: [[NNAN_ARG0:%.*]] = fadd nnan double [[ARG0:%.*]], 1.000000e+00 +; CHECK-NEXT: [[NNAN_ARG1:%.*]] = fadd nnan double [[ARG0]], 2.000000e+00 +; CHECK-NEXT: [[OP:%.*]] = frem double [[NNAN_ARG0]], [[NNAN_ARG1]] +; CHECK-NEXT: [[TMP:%.*]] = fcmp ord double [[OP]], 0.000000e+00 +; CHECK-NEXT: ret i1 [[TMP]] +; + %nnan.arg0 = fadd nnan double %arg0, 1.0 + %nnan.arg1 = fadd nnan double %arg0, 2.0 + %op = frem double %nnan.arg0, %nnan.arg1 + %tmp = fcmp ord double %op, %op + ret i1 %tmp +} + declare double @llvm.sqrt.f64(double) declare double @llvm.fabs.f64(double) declare double @llvm.canonicalize.f64(double) declare double @llvm.copysign.f64(double, double) +declare double @llvm.exp.f64(double) +declare double @llvm.exp2.f64(double) +declare double @llvm.floor.f64(double) +declare double @llvm.ceil.f64(double) +declare double @llvm.trunc.f64(double) +declare double @llvm.rint.f64(double) +declare double @llvm.nearbyint.f64(double) +declare double @llvm.round.f64(double) |
