Args.eraseArg(options::OPT__SLASH_Yc);
YcArg = nullptr;
}
- if (Args.hasArg(options::OPT__SLASH_Y_)) {
- // /Y- disables all pch handling. Rather than check for it everywhere,
- // just remove clang-cl pch-related flags here.
+ if (FinalPhase == phases::Preprocess || Args.hasArg(options::OPT__SLASH_Y_)) {
+ // If only preprocessing or /Y- is used, all pch handling is disabled.
+ // Rather than check for it everywhere, just remove clang-cl pch-related
+ // flags here.
Args.eraseArg(options::OPT__SLASH_Fp);
Args.eraseArg(options::OPT__SLASH_Yc);
Args.eraseArg(options::OPT__SLASH_Yu);
// CHECK-NoSourceTP: pchfile.pch
// CHECK-NoSourceTP: -x
// CHECK-NoSourceTP: "c++"
+
+// If only preprocessing, PCH options are ignored.
+// RUN: %clang_cl /P /Ycpchfile.h /FIpchfile.h /c -### -- %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-YC-P %s
+// CHECK-YC-P-NOT: -emit-pch
+// CHECK-YC-P-NOT: -include-pch
+
+// RUN: %clang_cl /E /Ycpchfile.h /FIpchfile.h /c -### -- %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-YC-E %s
+// CHECK-YC-E-NOT: -emit-pch
+// CHECK-YC-E-NOT: -include-pch
+
+// RUN: %clang_cl /P /Ycpchfile.h /FIpchfile.h /c -### -- %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-YU-P %s
+// CHECK-YU-P-NOT: -emit-pch
+// CHECK-YU-P-NOT: -include-pch
+
+// RUN: %clang_cl /E /Ycpchfile.h /FIpchfile.h /c -### -- %s 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-YU-E %s
+// CHECK-YU-E-NOT: -emit-pch
+// CHECK-YU-E-NOT: -include-pch
--- /dev/null
+// RUN: %clang_cc1 -I %S -emit-pch \
+// RUN: -include Inputs/pch-through3c.h \
+// RUN: -pch-through-header=Inputs/pch-through3c.h -o %t.3c %s
+
+// RUN: %clang_cc1 -verify -I %S -include-pch %t.3c \
+// RUN: -include Inputs/pch-through3c.h \
+// RUN: -pch-through-header=Inputs/pch-through3c.h \
+// RUN: %S/Inputs/pch-through-use3c.cpp 2>&1