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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes='cgscc(inline)' -S %s | FileCheck %s
define void @nonconvergent_callee() alwaysinline {
; CHECK-LABEL: @nonconvergent_callee(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.anchor()
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.anchor()
call void @f(i32 0) [ "convergencectrl"(token %token) ]
ret void
}
define void @convergent_callee(i32 %v) convergent alwaysinline {
; CHECK-LABEL: @convergent_callee(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void @f(i32 [[V:%.*]]) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.entry()
call void @f(i32 %v) [ "convergencectrl"(token %token) ]
ret void
}
define void @test_nonconvergent() {
; CHECK-LABEL: @test_nonconvergent(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN_I:%.*]] = call token @llvm.experimental.convergence.anchor()
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOKEN_I]]) ]
; CHECK-NEXT: ret void
;
entry:
call void @nonconvergent_callee()
ret void
}
define void @test_convergent_basic(i1 %cond) {
; CHECK-LABEL: @test_convergent_basic(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.anchor()
; CHECK-NEXT: br i1 [[COND:%.*]], label [[THEN:%.*]], label [[END:%.*]]
; CHECK: then:
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: br label [[END]]
; CHECK: end:
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.anchor()
br i1 %cond, label %then, label %end
then:
call void @convergent_callee(i32 0) [ "convergencectrl"(token %token) ]
br label %end
end:
ret void
}
define void @test_convergent_no_token(i1 %cond) convergent {
; CHECK-LABEL: @test_convergent_no_token(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @convergent_callee(i32 0)
; CHECK-NEXT: ret void
;
entry:
call void @convergent_callee(i32 0)
ret void
}
define void @test_convergent_multiple() convergent {
; CHECK-LABEL: @test_convergent_multiple(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: call void @f(i32 1) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: call void @f(i32 2) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.entry()
call void @convergent_callee(i32 0) [ "convergencectrl"(token %token) ]
call void @convergent_callee(i32 1) [ "convergencectrl"(token %token) ]
call void @convergent_callee(i32 2) [ "convergencectrl"(token %token) ]
ret void
}
define void @test_convergent_loop(i1 %cond) {
; CHECK-LABEL: @test_convergent_loop(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.anchor()
; CHECK-NEXT: br i1 [[COND:%.*]], label [[HDR:%.*]], label [[END:%.*]]
; CHECK: hdr:
; CHECK-NEXT: [[TOK_LOOP:%.*]] = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOK_LOOP]]) ]
; CHECK-NEXT: br i1 [[COND]], label [[HDR]], label [[END]]
; CHECK: end:
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.anchor()
br i1 %cond, label %hdr, label %end
hdr:
%tok.loop = call token @llvm.experimental.convergence.loop() [ "convergencectrl"(token %token) ]
call void @convergent_callee(i32 0) [ "convergencectrl"(token %tok.loop) ]
br i1 %cond, label %hdr, label %end
end:
ret void
}
define void @make_indirect_call(ptr %f, i32 %x) convergent alwaysinline {
; CHECK-LABEL: @make_indirect_call(
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void [[F:%.*]](i32 [[X:%.*]]) #[[ATTR2:[0-9]+]] [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
%token = call token @llvm.experimental.convergence.entry()
call void %f(i32 %x) convergent [ "convergencectrl"(token %token) ]
ret void
}
define void @test_indirect_call() convergent {
; CHECK-LABEL: @test_indirect_call(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void @f(i32 0) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
entry:
%token = call token @llvm.experimental.convergence.entry()
call void @make_indirect_call(ptr @convergent_callee, i32 0) [ "convergencectrl"(token %token) ]
ret void
}
define void @recurse() convergent alwaysinline {
; CHECK-LABEL: @recurse(
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void @recurse() [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
%token = call token @llvm.experimental.convergence.entry()
call void @recurse() [ "convergencectrl"(token %token) ]
ret void
}
define void @test_recursive_call() convergent {
; CHECK-LABEL: @test_recursive_call(
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: call void @recurse() [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
%token = call token @llvm.experimental.convergence.entry()
call void @recurse() [ "convergencectrl"(token %token) ]
ret void
}
define i32 @outer_g(i32 %x) convergent alwaysinline {
; CHECK-LABEL: @outer_g(
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: [[Y:%.*]] = call i32 @g(i32 [[X:%.*]]) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret i32 [[Y]]
;
%token = call token @llvm.experimental.convergence.entry()
%y = call i32 @g(i32 %x) [ "convergencectrl"(token %token) ]
ret i32 %y
}
define void @test_two_calls() convergent {
; CHECK-LABEL: @test_two_calls(
; CHECK-NEXT: [[TOKEN:%.*]] = call token @llvm.experimental.convergence.entry()
; CHECK-NEXT: [[Y_I:%.*]] = call i32 @g(i32 23) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: call void @f(i32 [[Y_I]]) [ "convergencectrl"(token [[TOKEN]]) ]
; CHECK-NEXT: ret void
;
%token = call token @llvm.experimental.convergence.entry()
%x = call i32 @outer_g(i32 23) [ "convergencectrl"(token %token) ]
call void @convergent_callee(i32 %x) [ "convergencectrl"(token %token) ]
ret void
}
declare void @f(i32) convergent
declare i32 @g(i32) convergent
declare token @llvm.experimental.convergence.entry()
declare token @llvm.experimental.convergence.anchor()
declare token @llvm.experimental.convergence.loop()
|
