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119 lines
4.5 KiB
C
119 lines
4.5 KiB
C
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck %s --check-prefix=CIR --input-file %t.cir
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll
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// RUN: FileCheck %s --check-prefix=LLVM --input-file %t-cir.ll
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// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
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// RUN: FileCheck %s --check-prefix=LLVM --input-file %t.ll
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void test_signbit_positive_zero(){
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double positiveZero = +0.0;
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int result = __builtin_signbit(positiveZero);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["positiveZero", init]
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// CIR: cir.const #cir.fp<0.000000e+00> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double 0.000000e+00, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_negative_zero(){
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double negativeZero = -0.0;
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int result = __builtin_signbit(negativeZero);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["negativeZero", init]
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// CIR: cir.const #cir.fp<-0.000000e+00> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double -0.000000e+00, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_positive_number(){
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double positiveNumber = 1.0;
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int result = __builtin_signbit(positiveNumber);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["positiveNumber", init]
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// CIR: cir.const #cir.fp<1.000000e+00> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double 1.000000e+00, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_negative_number(){
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double negativeNumber = -1.0;
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int result = __builtin_signbit(negativeNumber);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["negativeNumber", init]
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// CIR: cir.const #cir.fp<-1.000000e+00> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double -1.000000e+00, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_positive_nan(){
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double positiveNan = +__builtin_nan("");
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int result = __builtin_signbit(positiveNan);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["positiveNan", init]
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// CIR: cir.const #cir.fp<0x7FF8000000000000> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double +qnan, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_negative_nan(){
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double negativeNan = -__builtin_nan("");
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int result = __builtin_signbit(negativeNan);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["negativeNan", init]
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// CIR: cir.const #cir.fp<0xFFF8000000000000> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double -qnan, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_positive_infinity(){
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double positiveInfinity = +__builtin_inf();
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int result = __builtin_signbit(positiveInfinity);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["positiveInfinity", init]
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// CIR: cir.const #cir.fp<0x7FF0000000000000> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double +inf, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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void test_signbit_negative_infinity(){
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double negativeInfinity = -__builtin_inf();
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int result = __builtin_signbit(negativeInfinity);
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// CIR: cir.alloca !cir.double, !cir.ptr<!cir.double>, ["negativeInfinity", init]
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// CIR: cir.const #cir.fp<0xFFF0000000000000> : !cir.double
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// CIR: cir.signbit {{.*}} : !cir.double -> !cir.bool
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// CIR: cir.cast bool_to_int {{.*}} : !cir.bool -> !s32i
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// LLVM: store double -inf, ptr %{{.*}}
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// LLVM: bitcast double %{{.*}} to i64
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// LLVM: icmp slt i64 %{{.*}}, 0
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// LLVM: zext i1 %{{.*}} to i32
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}
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