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