Files
clang-p2996/clang/test/CodeGenOpenCL/convergent.cl
Arthur Eubanks cb5a10199b [test] Remove tests pinned to the legacy PM
Now that the legacy PM is deprecated for the optimization pipeline, we
can start deleting legacy PM tests.

For tests that test both PMs, merge the RUN lines.
Delete tests specific to the legacy PM.
2021-10-18 16:40:46 -07:00

143 lines
4.4 KiB
Common Lisp

// RUN: %clang_cc1 -triple spir-unknown-unknown -emit-llvm %s -o - | opt -instnamer -S | FileCheck -enable-var-scope %s
// This is initially assumed convergent, but can be deduced to not require it.
// CHECK-LABEL: define{{.*}} spir_func void @non_convfun() local_unnamed_addr #0
// CHECK: ret void
__attribute__((noinline))
void non_convfun(void) {
volatile int* p;
*p = 0;
}
void convfun(void) __attribute__((convergent));
void nodupfun(void) __attribute__((noduplicate));
// External functions should be assumed convergent.
void f(void);
void g(void);
// Test two if's are merged and non_convfun duplicated.
// The LLVM IR is equivalent to:
// if (a) {
// f();
// non_convfun();
// g();
// } else {
// non_convfun();
// }
//
// CHECK-LABEL: define{{.*}} spir_func void @test_merge_if(i32 %a) local_unnamed_addr #1 {
// CHECK: %[[tobool:.+]] = icmp eq i32 %a, 0
// CHECK: br i1 %[[tobool]], label %[[if_end3_critedge:.+]], label %[[if_then:.+]]
// CHECK: [[if_then]]:
// CHECK: tail call spir_func void @f()
// CHECK: tail call spir_func void @non_convfun()
// CHECK: tail call spir_func void @g()
// CHECK: br label %[[if_end3:.+]]
// CHECK: [[if_end3_critedge]]:
// CHECK: tail call spir_func void @non_convfun()
// CHECK: br label %[[if_end3]]
// CHECK: [[if_end3]]:
// CHECK: ret void
void test_merge_if(int a) {
if (a) {
f();
}
non_convfun();
if (a) {
g();
}
}
// CHECK-DAG: declare spir_func void @f() local_unnamed_addr #2
// CHECK-DAG: declare spir_func void @g() local_unnamed_addr #2
// Test two if's are not merged.
// CHECK-LABEL: define{{.*}} spir_func void @test_no_merge_if(i32 %a) local_unnamed_addr #1
// CHECK: %[[tobool:.+]] = icmp eq i32 %a, 0
// CHECK: br i1 %[[tobool]], label %[[if_end:.+]], label %[[if_then:.+]]
// CHECK: [[if_then]]:
// CHECK: tail call spir_func void @f()
// CHECK-NOT: call spir_func void @convfun()
// CHECK-NOT: call spir_func void @g()
// CHECK: br label %[[if_end]]
// CHECK: [[if_end]]:
// CHECK-NOT: phi i1
// CHECK: tail call spir_func void @convfun() #[[attr4:.+]]
// CHECK: br i1 %[[tobool]], label %[[if_end3:.+]], label %[[if_then2:.+]]
// CHECK: [[if_then2]]:
// CHECK: tail call spir_func void @g()
// CHECK: br label %[[if_end3:.+]]
// CHECK: [[if_end3]]:
// CHECK-LABEL: ret void
void test_no_merge_if(int a) {
if (a) {
f();
}
convfun();
if(a) {
g();
}
}
// CHECK: declare spir_func void @convfun(){{[^#]*}} #2
// Test loop is unrolled for convergent function.
// CHECK-LABEL: define{{.*}} spir_func void @test_unroll() local_unnamed_addr #1
// CHECK: tail call spir_func void @convfun() #[[attr4:[0-9]+]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK: tail call spir_func void @convfun() #[[attr4]]
// CHECK-LABEL: ret void
void test_unroll() {
for (int i = 0; i < 10; i++)
convfun();
}
// Test loop is not unrolled for noduplicate function.
// CHECK-LABEL: define{{.*}} spir_func void @test_not_unroll()
// CHECK: br label %[[for_body:.+]]
// CHECK: [[for_cond_cleanup:.+]]:
// CHECK: ret void
// CHECK: [[for_body]]:
// CHECK: tail call spir_func void @nodupfun() #[[attr5:[0-9]+]]
// CHECK-NOT: call spir_func void @nodupfun()
// CHECK: br i1 %{{.+}}, label %[[for_body]], label %[[for_cond_cleanup]]
void test_not_unroll() {
for (int i = 0; i < 10; i++)
nodupfun();
}
// CHECK: declare spir_func void @nodupfun(){{[^#]*}} #[[attr3:[0-9]+]]
// CHECK-LABEL: @assume_convergent_asm
// CHECK: tail call void asm sideeffect "s_barrier", ""() #5
kernel void assume_convergent_asm()
{
__asm__ volatile("s_barrier");
}
// CHECK: attributes #0 = { nofree noinline norecurse nounwind "
// CHECK: attributes #1 = { {{[^}]*}}convergent{{[^}]*}} }
// CHECK: attributes #2 = { {{[^}]*}}convergent{{[^}]*}} }
// CHECK: attributes #3 = { {{[^}]*}}convergent noduplicate{{[^}]*}} }
// CHECK: attributes #4 = { {{[^}]*}}convergent{{[^}]*}} }
// CHECK: attributes #5 = { {{[^}]*}}convergent{{[^}]*}} }
// CHECK: attributes #6 = { {{[^}]*}}convergent noduplicate{{[^}]*}} }