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comparison clang/test/CodeGen/fp-floatcontrol-stack.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 0572611fdcc8
children c4bab56944e8
comparison
equal deleted inserted replaced
173:0572611fdcc8 207:2e18cbf3894f
210 // Rule: precise must be enabled 210 // Rule: precise must be enabled
211 #pragma float_control(except, on) 211 #pragma float_control(except, on)
212 #endif 212 #endif
213 float y(); 213 float y();
214 class ON { 214 class ON {
215 // Settings for top level class initializer revert to command line 215 // Settings for top level class initializer use program source setting.
216 // source pragma's do not pertain.
217 float z = 2 + y() * 7; 216 float z = 2 + y() * 7;
218 //CHECK-LABEL: define {{.*}} void @_ZN2ONC2Ev{{.*}} 217 //CHECK-LABEL: define {{.*}} void @_ZN2ONC2Ev{{.*}}
219 #if DEFAULT 218 #if DEFAULT
220 //CHECK-DDEFAULT: call float {{.*}}llvm.fmuladd 219 //CHECK-DDEFAULT: call float {{.*}}llvm.fmuladd
221 #endif 220 #endif
222 #if EBSTRICT 221 #if EBSTRICT
223 //Currently, same as default [command line options not considered] 222 //Currently, same as default [command line options not considered]
224 //CHECK-DEBSTRICT: call float {{.*}}llvm.fmuladd 223 //CHECK-DEBSTRICT: call float {{.*}}llvm.fmuladd
225 #endif 224 #endif
226 #if NOHONOR 225 #if NOHONOR
227 //CHECK-NOHONOR: call nnan ninf float @llvm.fmuladd{{.*}} 226 //CHECK-NOHONOR: call float {{.*}}llvm.fmuladd
228 #endif 227 #endif
229 #if FAST 228 #if FAST
230 //CHECK-FAST: fmul fast float 229 //CHECK-FAST: float {{.*}}llvm.fmuladd{{.*}}
231 //CHECK-FAST: fadd fast float
232 #endif 230 #endif
233 }; 231 };
234 ON on; 232 ON on;
235 #pragma float_control(except, off) 233 #pragma float_control(except, off)
236 class OFF { 234 class OFF {
237 float w = 2 + y() * 7; 235 float w = 2 + y() * 7;
238 //CHECK-LABEL: define {{.*}} void @_ZN3OFFC2Ev{{.*}} 236 //CHECK-LABEL: define {{.*}} void @_ZN3OFFC2Ev{{.*}}
239 #if DEFAULT 237 //CHECK: call float {{.*}}llvm.fmuladd
240 //CHECK-DDEFAULT: call float {{.*}}llvm.fmuladd
241 #endif
242 #if EBSTRICT
243 //CHECK-DEBSTRICT: call float {{.*}}llvm.fmuladd
244 #endif
245 #if NOHONOR
246 //CHECK-NOHONOR: call nnan ninf float @llvm.fmuladd{{.*}}
247 #endif
248 #if FAST
249 //CHECK-FAST: fmul fast float
250 //CHECK-FAST: fadd fast float
251 #endif
252 }; 238 };
253 OFF off; 239 OFF off;
240
241 #pragma clang fp reassociate(on)
242 struct MyComplex {
243 float xx;
244 float yy;
245 MyComplex(float x, float y) {
246 xx = x;
247 yy = y;
248 }
249 MyComplex() {}
250 const MyComplex operator+(const MyComplex other) const {
251 //CHECK-LABEL: define {{.*}} @_ZNK9MyComplexplES_
252 //CHECK: fadd reassoc float
253 //CHECK: fadd reassoc float
254 return MyComplex(xx + other.xx, yy + other.yy);
255 }
256 };
257 MyComplex useAdd() {
258 MyComplex a (1, 3);
259 MyComplex b (2, 4);
260 return a + b;
261 }