1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=rewrite-statepoints-for-gc < %s | FileCheck %s 3 4target 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" 5target triple = "x86_64-unknown-linux-gnu" 6 7declare void @foo() gc "statepoint-example" 8declare i1 @runtime_value() "gc-leaf-function" 9 10define ptr addrspace(1) @test1(ptr addrspace(1) %b1, ptr addrspace(1) %b2) gc "statepoint-example" { 11; CHECK-LABEL: @test1( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: br label [[LOOP:%.*]] 14; CHECK: loop: 15; CHECK-NEXT: [[B5:%.*]] = phi ptr addrspace(1) [ [[B1:%.*]], [[ENTRY:%.*]] ], [ [[B6:%.*]], [[INNER_LOOP_LATCH:%.*]] ] 16; CHECK-NEXT: [[C1:%.*]] = call i1 @runtime_value() 17; CHECK-NEXT: br i1 [[C1]], label [[INNER_LOOP:%.*]], label [[EXIT:%.*]] 18; CHECK: inner_loop: 19; CHECK-NEXT: [[B6]] = phi ptr addrspace(1) [ [[B5]], [[LOOP]] ], [ [[B6]], [[INNER_LOOP]] ] 20; CHECK-NEXT: [[C2:%.*]] = call i1 @runtime_value() 21; CHECK-NEXT: br i1 [[C2]], label [[INNER_LOOP]], label [[INNER_LOOP_LATCH]] 22; CHECK: inner_loop_latch: 23; CHECK-NEXT: [[C3:%.*]] = call i1 @runtime_value() 24; CHECK-NEXT: br i1 [[C3]], label [[LOOP]], label [[EXIT]] 25; CHECK: exit: 26; CHECK-NEXT: [[MERGE:%.*]] = phi ptr addrspace(1) [ [[B5]], [[LOOP]] ], [ [[B6]], [[INNER_LOOP_LATCH]] ] 27; 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]]) ] 28; CHECK-NEXT: [[MERGE_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) 29; CHECK-NEXT: [[B1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) 30; CHECK-NEXT: ret ptr addrspace(1) [[MERGE_RELOCATED]] 31; 32entry: 33 br label %loop 34 35loop: 36 %b5 = phi ptr addrspace(1) [ %b1, %entry ], [ %b6, %inner_loop_latch ] 37 %c1 = call i1 @runtime_value() 38 br i1 %c1, label %inner_loop, label %exit 39 40inner_loop: 41 %b6 = phi ptr addrspace(1) [ %b5, %loop ], [ %b6, %inner_loop ] 42 %c2 = call i1 @runtime_value() 43 br i1 %c2, label %inner_loop, label %inner_loop_latch 44 45inner_loop_latch: 46 %c3 = call i1 @runtime_value() 47 br i1 %c3, label %loop, label %exit 48 49exit: 50 %merge = phi ptr addrspace(1) [ %b5, %loop ], [ %b6, %inner_loop_latch ] 51 call void @foo() [ "deopt"() ] 52 ret ptr addrspace(1) %merge 53} 54 55define ptr addrspace(1) @swap(ptr addrspace(1) %b1, ptr addrspace(1) %b2) gc "statepoint-example" { 56; CHECK-LABEL: @swap( 57; CHECK-NEXT: entry: 58; CHECK-NEXT: br label [[LOOP:%.*]] 59; CHECK: loop: 60; CHECK-NEXT: [[B5:%.*]] = phi ptr addrspace(1) [ [[B1:%.*]], [[ENTRY:%.*]] ], [ [[B6:%.*]], [[LOOP]] ] 61; CHECK-NEXT: [[B6]] = phi ptr addrspace(1) [ [[B1]], [[ENTRY]] ], [ [[B5]], [[LOOP]] ] 62; CHECK-NEXT: [[C1:%.*]] = call i1 @runtime_value() 63; CHECK-NEXT: br i1 [[C1]], label [[LOOP]], label [[EXIT:%.*]] 64; CHECK: exit: 65; 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]]) ] 66; CHECK-NEXT: [[B6_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0) 67; CHECK-NEXT: [[B1_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1) 68; CHECK-NEXT: ret ptr addrspace(1) [[B6_RELOCATED]] 69; 70entry: 71 br label %loop 72 73loop: 74 %b5 = phi ptr addrspace(1) [ %b1, %entry ], [ %b6, %loop ] 75 %b6 = phi ptr addrspace(1) [ %b1, %entry ], [ %b5, %loop ] 76 %c1 = call i1 @runtime_value() 77 br i1 %c1, label %loop, label %exit 78 79exit: 80 call void @foo() [ "deopt"() ] 81 ret ptr addrspace(1) %b6 82} 83