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// RUN: %clang_cc1 -std=hlsl2021 -finclude-default-header -x hlsl -triple \
// RUN: spirv-pc-vulkan-library %s -emit-llvm -disable-llvm-passes -o - | FileCheck %s
bool cond();
bool cond2();
void foo();
void test1() {
for (;;) {
foo();
}
}
// CHECK: define spir_func void @_Z5test1v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test2() {
for (;cond();) {
foo();
}
}
// CHECK: define spir_func void @_Z5test2v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: for.body:
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test3() {
for (cond();;) {
foo();
}
}
// CHECK: define spir_func void @_Z5test3v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T0]]) ]
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test4() {
for (cond();cond2();) {
foo();
}
}
// CHECK: define spir_func void @_Z5test4v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T0]]) ]
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func noundef i1 @_Z5cond2v() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: for.body:
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test5() {
for (cond();cond2();foo()) {
}
}
// CHECK: define spir_func void @_Z5test5v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T0]]) ]
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func noundef i1 @_Z5cond2v() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: for.inc:
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test6() {
for (cond();cond2();foo()) {
if (cond()) {
foo();
break;
}
}
}
// CHECK: define spir_func void @_Z5test6v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T0]]) ]
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func noundef i1 @_Z5cond2v() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: for.body:
// CHECK: [[C1:%[a-zA-Z0-9]+]] = call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: br i1 [[C1]], label %if.then, label %if.end
// CHECK: if.then:
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: br label %for.end
// CHECK: if.end:
// CHECK: br label %for.inc
// CHECK: for.inc:
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T1]]) ]
void test7() {
for (cond();;) {
for (cond();;) {
foo();
}
}
}
// CHECK: define spir_func void @_Z5test7v() [[A0:#[0-9]+]] {
// CHECK: entry:
// CHECK: [[T0:%[0-9]+]] = call token @llvm.experimental.convergence.entry()
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T0]]) ]
// CHECK: for.cond:
// CHECK: [[T1:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T0]]) ]
// CHECK: call spir_func noundef i1 @_Z4condv() [[A3]] [ "convergencectrl"(token [[T1]]) ]
// CHECK: for.cond3:
// CHECK: [[T2:%[0-9]+]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[T1]]) ]
// CHECK: call spir_func void @_Z3foov() [[A3:#[0-9]+]] [ "convergencectrl"(token [[T2]]) ]
// CHECK-DAG: attributes [[A0]] = { {{.*}}convergent{{.*}} }
// CHECK-DAG: attributes [[A3]] = { {{.*}}convergent{{.*}} }
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