teak-llvm/clang/test/CodeGenCXX/conditional-temporaries.cpp
Leonard Chan f66309203e [clang][NewPM] Add -fno-experimental-new-pass-manager to tests
As per the discussion on D58375, we disable test that have optimizations under
the new PM. This patch adds -fno-experimental-new-pass-manager to RUNS that:

- Already run with optimizations (-O1 or higher) that were missed in D58375.
- Explicitly test new PM behavior along side some new PM RUNS, but are missing
  this flag if new PM is enabled by default.
- Specify -O without the number. Based on getOptimizationLevel(), it seems the
  default is 2, and the IR appears to be the same when changed to -O2, so
  update the test to explicitly say -O2 and provide -fno-experimental-new-pass-manager`.

Differential Revision: https://reviews.llvm.org/D63156

llvm-svn: 364066
2019-06-21 16:03:06 +00:00

220 lines
7.1 KiB
C++

// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -O2 -fno-experimental-new-pass-manager -disable-llvm-passes | FileCheck %s --check-prefixes=CHECK,CHECK-NOOPT
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -O2 -fno-experimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-OPT,CHECK-LEGACY-OPT
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=amdgcn-amd-amdhsa -O2 -fno-experimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-OPT,CHECK-LEGACY-OPT
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -O2 -fexperimental-new-pass-manager -disable-llvm-passes | FileCheck %s --check-prefixes=CHECK,CHECK-NOOPT
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -O2 -fexperimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-OPT,X64-NEWPM-OPT
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=amdgcn-amd-amdhsa -O2 -fexperimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-OPT,CHECK-OPT-NEWPM,AMDGCN-NEWPM-OPT
namespace {
static int ctorcalls;
static int dtorcalls;
struct A {
A() : i(0) { ctorcalls++; }
~A() { dtorcalls++; }
int i;
friend const A& operator<<(const A& a, int n) {
return a;
}
};
void g(int) { }
void g(const A&) { }
void f1(bool b) {
g(b ? A().i : 0);
g(b || A().i);
g(b && A().i);
g(b ? A() << 1 : A() << 2);
}
struct Checker {
Checker() {
f1(true);
f1(false);
}
};
Checker c;
}
// CHECK-OPT-LABEL: define i32 @_Z12getCtorCallsv()
int getCtorCalls() {
// CHECK-LEGACY-OPT: ret i32 5
// X64-NEWPM-OPT: ret i32 5
// AMDGCN-NEWPM-OPT: [[RET:%.*]] = load i32, i32* addrspacecast (i32 addrspace(1)* @_ZN12_GLOBAL__N_19ctorcallsE to i32*), align 4
// AMDGCN-NEWPM-OPT: ret i32 [[RET]]
return ctorcalls;
}
// CHECK-OPT-LABEL: define i32 @_Z12getDtorCallsv()
int getDtorCalls() {
// CHECK-LEGACY-OPT: ret i32 5
// X64-NEWPM-OPT: ret i32 5
// AMDGCN-NEWPM-OPT: [[RET:%.*]] = load i32, i32* addrspacecast (i32 addrspace(1)* @_ZN12_GLOBAL__N_19dtorcallsE to i32*), align 4
// AMDGCN-NEWPM-OPT: ret i32 [[RET]]
return dtorcalls;
}
// CHECK-OPT-LABEL: define zeroext i1 @_Z7successv()
bool success() {
// CHECK-LEGACY-OPT: ret i1 true
// X64-NEWPM-OPT: ret i1 true
// AMDGCN-NEWPM-OPT: [[CTORS:%.*]] = load i32, i32* addrspacecast (i32 addrspace(1)* @_ZN12_GLOBAL__N_19ctorcallsE to i32*), align 4, !tbaa !2
// AMDGCN-NEWPM-OPT: [[DTORS:%.*]] = load i32, i32* addrspacecast (i32 addrspace(1)* @_ZN12_GLOBAL__N_19dtorcallsE to i32*), align 4, !tbaa !2
// AMDGCN-NEWPM-OPT: %cmp = icmp eq i32 [[CTORS]], [[DTORS]]
// AMDGCN-NEWPM-OPT: ret i1 %cmp
return ctorcalls == dtorcalls;
}
struct X { ~X(); int f(); };
int g(int, int, int);
// CHECK-LABEL: @_Z16lifetime_nontriv
int lifetime_nontriv(bool cond) {
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: store i1 false,
// CHECK-NOOPT: br i1
//
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: call i32 @_ZN1X1fEv(
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: call i32 @_ZN1X1fEv(
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: store i1 true,
// CHECK-NOOPT: call i32 @_ZN1X1fEv(
// CHECK-NOOPT: call i32 @_Z1giii(
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: call i32 @_Z1giii(i32 1, i32 2, i32 3)
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @_ZN1XD1Ev(
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @llvm.lifetime.end
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @_ZN1XD1Ev(
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @llvm.lifetime.end
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @_ZN1XD1Ev(
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: load i1,
// CHECK-NOOPT: br i1
// CHECK-NOOPT: call void @llvm.lifetime.end
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: ret
// CHECK-OPT: br i1
//
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1X1fEv(
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1X1fEv(
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1X1fEv(
// CHECK-OPT: call i32 @_Z1giii(
// CHECK-OPT: call void @_ZN1XD1Ev(
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @_ZN1XD1Ev(
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @_ZN1XD1Ev(
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: br label
return cond ? g(X().f(), X().f(), X().f()) : g(1, 2, 3);
}
struct Y { int f(); };
int g(int, int, int);
// CHECK-LABEL: @_Z13lifetime_triv
int lifetime_triv(bool cond) {
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: call void @llvm.lifetime.start
// CHECK-NOOPT: br i1
//
// CHECK-NOOPT: call i32 @_ZN1Y1fEv(
// CHECK-NOOPT: call i32 @_ZN1Y1fEv(
// CHECK-NOOPT: call i32 @_ZN1Y1fEv(
// CHECK-NOOPT: call i32 @_Z1giii(
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: call i32 @_Z1giii(i32 1, i32 2, i32 3)
// CHECK-NOOPT: br label
//
// CHECK-NOOPT: call void @llvm.lifetime.end
// CHECK-NOOPT-NOT: br
// CHECK-NOOPT: call void @llvm.lifetime.end
// CHECK-NOOPT-NOT: br
// CHECK-NOOPT: call void @llvm.lifetime.end
//
// CHECK-NOOPT: ret
// FIXME: LLVM isn't smart enough to remove the lifetime markers from the
// g(1, 2, 3) path here.
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: br i1
//
// CHECK-OPT: call i32 @_ZN1Y1fEv(
// CHECK-OPT: call i32 @_ZN1Y1fEv(
// CHECK-OPT: call i32 @_ZN1Y1fEv(
// CHECK-OPT: call i32 @_Z1giii(
// CHECK-OPT: br label
//
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @llvm.lifetime.end
return cond ? g(Y().f(), Y().f(), Y().f()) : g(1, 2, 3);
}
struct Z { ~Z() {} int f(); };
int g(int, int, int);
// CHECK-LABEL: @_Z22lifetime_nontriv_empty
int lifetime_nontriv_empty(bool cond) {
// CHECK-OPT: br i1
//
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1Z1fEv(
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1Z1fEv(
// CHECK-OPT: call void @llvm.lifetime.start
// CHECK-OPT: call i32 @_ZN1Z1fEv(
// CHECK-OPT: call i32 @_Z1giii(
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: call void @llvm.lifetime.end
// CHECK-OPT: br label
return cond ? g(Z().f(), Z().f(), Z().f()) : g(1, 2, 3);
}