derek.holloway
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81 lines
2.0 KiB
LLVM
81 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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@empty = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
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@dec = private unnamed_addr constant [2 x i8] c"1\00", align 1
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@hex = private unnamed_addr constant [4 x i8] c"0xf\00", align 1
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define double @nan_empty() {
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; CHECK-LABEL: define double @nan_empty() {
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; CHECK-NEXT: ret double +qnan
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;
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%res = call double @nan(ptr @empty)
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ret double %res
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}
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define double @nan_dec() {
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; CHECK-LABEL: define double @nan_dec() {
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; CHECK-NEXT: ret double +nan(0x1)
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;
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%res = call double @nan(ptr @dec)
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ret double %res
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}
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define double @nan_hex() {
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; CHECK-LABEL: define double @nan_hex() {
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; CHECK-NEXT: ret double +nan(0xF)
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;
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%res = call double @nan(ptr @hex)
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ret double %res
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}
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define float @nanf_empty() {
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; CHECK-LABEL: define float @nanf_empty() {
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; CHECK-NEXT: ret float +qnan
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;
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%res = call float @nanf(ptr @empty)
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ret float %res
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}
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; nagative tests
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define double @nan_poison() {
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; CHECK-LABEL: define double @nan_poison() {
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; CHECK-NEXT: [[RES:%.*]] = call double @nan(ptr poison)
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; CHECK-NEXT: ret double [[RES]]
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;
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%res = call double @nan(ptr poison)
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ret double %res
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}
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define double @nan_undef() {
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; CHECK-LABEL: define double @nan_undef() {
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; CHECK-NEXT: [[RES:%.*]] = call double @nan(ptr undef)
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; CHECK-NEXT: ret double [[RES]]
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;
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%res = call double @nan(ptr undef)
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ret double %res
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}
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define double @nan_null() {
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; CHECK-LABEL: define double @nan_null() {
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; CHECK-NEXT: [[RES:%.*]] = call double @nan(ptr null)
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; CHECK-NEXT: ret double [[RES]]
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;
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%res = call double @nan(ptr null)
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ret double %res
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}
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define double @nan_non_constant(ptr %x) {
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; CHECK-LABEL: define double @nan_non_constant(
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; CHECK-SAME: ptr [[X:%.*]]) {
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; CHECK-NEXT: [[RES:%.*]] = call double @nan(ptr [[X]])
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; CHECK-NEXT: ret double [[RES]]
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;
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%res = call double @nan(ptr %x)
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ret double %res
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}
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declare float @nanf(ptr)
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declare double @nan(ptr)
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