| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @foo() gc "statepoint-example" |
| declare i1 @runtime_value() "gc-leaf-function" |
| |
| define ptr addrspace(1) @test1(ptr addrspace(1) %b1, ptr addrspace(1) %b2) gc "statepoint-example" { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[B5:%.*]] = phi ptr addrspace(1) [ [[B1:%.*]], [[ENTRY:%.*]] ], [ [[B6:%.*]], [[INNER_LOOP_LATCH:%.*]] ] |
| ; CHECK-NEXT: [[C1:%.*]] = call i1 @runtime_value() |
| ; CHECK-NEXT: br i1 [[C1]], label [[INNER_LOOP:%.*]], label [[EXIT:%.*]] |
| ; CHECK: inner_loop: |
| ; CHECK-NEXT: [[B6]] = phi ptr addrspace(1) [ [[B5]], [[LOOP]] ], [ [[B6]], [[INNER_LOOP]] ] |
| ; CHECK-NEXT: [[C2:%.*]] = call i1 @runtime_value() |
| ; CHECK-NEXT: br i1 [[C2]], label [[INNER_LOOP]], label [[INNER_LOOP_LATCH]] |
| ; CHECK: inner_loop_latch: |
| ; CHECK-NEXT: [[C3:%.*]] = call i1 @runtime_value() |
| ; CHECK-NEXT: br i1 [[C3]], label [[LOOP]], label [[EXIT]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[MERGE:%.*]] = phi ptr addrspace(1) [ [[B5]], [[LOOP]] ], [ [[B6]], [[INNER_LOOP_LATCH]] ] |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) [[MERGE]], ptr addrspace(1) [[B1]]) ] |
| ; CHECK-NEXT: [[MERGE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) |
| ; CHECK-NEXT: [[B1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) |
| ; CHECK-NEXT: ret ptr addrspace(1) [[MERGE_RELOCATED]] |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %b5 = phi ptr addrspace(1) [ %b1, %entry ], [ %b6, %inner_loop_latch ] |
| %c1 = call i1 @runtime_value() |
| br i1 %c1, label %inner_loop, label %exit |
| |
| inner_loop: |
| %b6 = phi ptr addrspace(1) [ %b5, %loop ], [ %b6, %inner_loop ] |
| %c2 = call i1 @runtime_value() |
| br i1 %c2, label %inner_loop, label %inner_loop_latch |
| |
| inner_loop_latch: |
| %c3 = call i1 @runtime_value() |
| br i1 %c3, label %loop, label %exit |
| |
| exit: |
| %merge = phi ptr addrspace(1) [ %b5, %loop ], [ %b6, %inner_loop_latch ] |
| call void @foo() [ "deopt"() ] |
| ret ptr addrspace(1) %merge |
| } |
| |
| define ptr addrspace(1) @swap(ptr addrspace(1) %b1, ptr addrspace(1) %b2) gc "statepoint-example" { |
| ; CHECK-LABEL: @swap( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[B5:%.*]] = phi ptr addrspace(1) [ [[B1:%.*]], [[ENTRY:%.*]] ], [ [[B6:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[B6]] = phi ptr addrspace(1) [ [[B1]], [[ENTRY]] ], [ [[B5]], [[LOOP]] ] |
| ; CHECK-NEXT: [[C1:%.*]] = call i1 @runtime_value() |
| ; CHECK-NEXT: br i1 [[C1]], label [[LOOP]], label [[EXIT:%.*]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr elementtype(void ()) @foo, i32 0, i32 0, i32 0, i32 0) [ "deopt"(), "gc-live"(ptr addrspace(1) [[B6]], ptr addrspace(1) [[B1]]) ] |
| ; CHECK-NEXT: [[B6_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) |
| ; CHECK-NEXT: [[B1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) |
| ; CHECK-NEXT: ret ptr addrspace(1) [[B6_RELOCATED]] |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %b5 = phi ptr addrspace(1) [ %b1, %entry ], [ %b6, %loop ] |
| %b6 = phi ptr addrspace(1) [ %b1, %entry ], [ %b5, %loop ] |
| %c1 = call i1 @runtime_value() |
| br i1 %c1, label %loop, label %exit |
| |
| exit: |
| call void @foo() [ "deopt"() ] |
| ret ptr addrspace(1) %b6 |
| } |