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TheRock/compiler/amd-llvm/clang/test/CIR/CodeGen/libc.c
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derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

82 lines
3.2 KiB
C

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
// RUN: FileCheck --input-file=%t.cir %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
// RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t-ogcg.ll
// RUN: FileCheck --check-prefix=OGCG --input-file=%t-ogcg.ll %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir -fwrapv
// RUN: FileCheck --check-prefix=CIR_NO_POISON --input-file=%t.cir %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll -fwrapv
// RUN: FileCheck --check-prefix=LLVM_NO_POISON --input-file=%t.ll %s
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t-ogcg-wrapv.ll -fwrapv
// RUN: FileCheck --check-prefix=OGCG_NO_POISON --input-file=%t-ogcg-wrapv.ll %s
// Note: In the final implementation, we will want these to generate
// CIR-specific libc operations. This test is just a placeholder
// to make sure we can compile these to normal function calls
// until the special handling is implemented.
void *memcpy(void *, const void *, unsigned long);
void testMemcpy(void *dst, const void *src, unsigned long size) {
memcpy(dst, src, size);
// CHECK: cir.call @memcpy
}
void *memmove(void *, const void *, unsigned long);
void testMemmove(void *src, const void *dst, unsigned long size) {
memmove(dst, src, size);
// CHECK: cir.call @memmove
}
void *memset(void *, int, unsigned long);
void testMemset(void *dst, int val, unsigned long size) {
memset(dst, val, size);
// CHECK: cir.call @memset
}
double fabs(double);
double testFabs(double x) {
return fabs(x);
// CHECK: cir.fabs %{{.+}} : !cir.double
}
float fabsf(float);
float testFabsf(float x) {
return fabsf(x);
// CHECK: cir.fabs %{{.+}} : !cir.float
}
int abs(int);
int testAbs(int x) {
return abs(x);
// CHECK: cir.abs %{{.+}} min_is_poison : !s32i
// LLVM: %{{.+}} = call i32 @llvm.abs.i32(i32 %{{.+}}, i1 true)
// OGCG: %{{.+}} = call i32 @llvm.abs.i32(i32 %{{.+}}, i1 true)
// CIR_NO_POISON: cir.abs %{{[^ ]+}} : !s32i
// LLVM_NO_POISON: %{{.+}} = call i32 @llvm.abs.i32(i32 %{{.+}}, i1 false)
// OGCG_NO_POISON: %{{.+}} = call i32 @llvm.abs.i32(i32 %{{.+}}, i1 false)
}
long labs(long);
long testLabs(long x) {
return labs(x);
// CHECK: cir.abs %{{.+}} min_is_poison : !s64i
// LLVM: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 true)
// OGCG: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 true)
// CIR_NO_POISON: cir.abs %{{[^ ]+}} : !s64i
// LLVM_NO_POISON: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 false)
// OGCG_NO_POISON: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 false)
}
long long llabs(long long);
long long testLlabs(long long x) {
return llabs(x);
// CHECK: cir.abs %{{.+}} min_is_poison : !s64i
// LLVM: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 true)
// OGCG: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 true)
// CIR_NO_POISON: cir.abs %{{[^ ]+}} : !s64i
// LLVM_NO_POISON: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 false)
// OGCG_NO_POISON: %{{.+}} = call i64 @llvm.abs.i64(i64 %{{.+}}, i1 false)
}