| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; Verifies that we insert spills of PHI instruction _after) all PHI Nodes |
| ; RUN: opt < %s -passes='cgscc(coro-split),simplifycfg,early-cse,simplifycfg' -S | FileCheck %s |
| |
| ; Verifies that the both phis are stored correctly in the coroutine frame |
| ; CHECK: %f.Frame = type { void (%f.Frame*)*, void (%f.Frame*)*, i32, i32, i1 } |
| |
| define i8* @f(i1 %n) "coroutine.presplit"="1" { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[ID:%.*]] = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* bitcast ([3 x void (%f.Frame*)*]* @f.resumers to i8*)) |
| ; CHECK-NEXT: [[ALLOC:%.*]] = call i8* @malloc(i32 32) |
| ; CHECK-NEXT: [[HDL:%.*]] = call noalias nonnull i8* @llvm.coro.begin(token [[ID]], i8* [[ALLOC]]) |
| ; CHECK-NEXT: [[FRAMEPTR:%.*]] = bitcast i8* [[HDL]] to %f.Frame* |
| ; CHECK-NEXT: [[RESUME_ADDR:%.*]] = getelementptr inbounds [[F_FRAME:%.*]], %f.Frame* [[FRAMEPTR]], i32 0, i32 0 |
| ; CHECK-NEXT: store void (%f.Frame*)* @f.resume, void (%f.Frame*)** [[RESUME_ADDR]], align 8 |
| ; CHECK-NEXT: [[DESTROY_ADDR:%.*]] = getelementptr inbounds [[F_FRAME]], %f.Frame* [[FRAMEPTR]], i32 0, i32 1 |
| ; CHECK-NEXT: store void (%f.Frame*)* @f.destroy, void (%f.Frame*)** [[DESTROY_ADDR]], align 8 |
| ; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[N:%.*]], i32 0, i32 2 |
| ; CHECK-NEXT: [[SPEC_SELECT5:%.*]] = select i1 [[N]], i32 1, i32 3 |
| ; CHECK-NEXT: [[PHI2_SPILL_ADDR:%.*]] = getelementptr inbounds [[F_FRAME]], %f.Frame* [[FRAMEPTR]], i32 0, i32 3 |
| ; CHECK-NEXT: store i32 [[SPEC_SELECT5]], i32* [[PHI2_SPILL_ADDR]], align 4 |
| ; CHECK-NEXT: [[PHI1_SPILL_ADDR:%.*]] = getelementptr inbounds [[F_FRAME]], %f.Frame* [[FRAMEPTR]], i32 0, i32 2 |
| ; CHECK-NEXT: store i32 [[SPEC_SELECT]], i32* [[PHI1_SPILL_ADDR]], align 4 |
| ; CHECK-NEXT: [[INDEX_ADDR4:%.*]] = getelementptr inbounds [[F_FRAME]], %f.Frame* [[FRAMEPTR]], i32 0, i32 4 |
| ; CHECK-NEXT: store i1 false, i1* [[INDEX_ADDR4]], align 1 |
| ; CHECK-NEXT: ret i8* [[HDL]] |
| ; |
| entry: |
| %id = call token @llvm.coro.id(i32 0, i8* null, i8* null, i8* null) |
| %size = call i32 @llvm.coro.size.i32() |
| %alloc = call i8* @malloc(i32 %size) |
| %hdl = call i8* @llvm.coro.begin(token %id, i8* %alloc) |
| br i1 %n, label %begin, label %alt |
| alt: |
| br label %begin |
| |
| begin: |
| %phi1 = phi i32 [ 0, %entry ], [ 2, %alt ] |
| %phi2 = phi i32 [ 1, %entry ], [ 3, %alt ] |
| |
| %sp1 = call i8 @llvm.coro.suspend(token none, i1 false) |
| switch i8 %sp1, label %suspend [i8 0, label %resume |
| i8 1, label %cleanup] |
| resume: |
| call i32 @print(i32 %phi1) |
| call i32 @print(i32 %phi2) |
| br label %cleanup |
| |
| cleanup: |
| %mem = call i8* @llvm.coro.free(token %id, i8* %hdl) |
| call void @free(i8* %mem) |
| br label %suspend |
| suspend: |
| call i1 @llvm.coro.end(i8* %hdl, i1 0) |
| ret i8* %hdl |
| } |
| |
| declare i8* @llvm.coro.free(token, i8*) |
| declare i32 @llvm.coro.size.i32() |
| declare i8 @llvm.coro.suspend(token, i1) |
| declare void @llvm.coro.resume(i8*) |
| declare void @llvm.coro.destroy(i8*) |
| |
| declare token @llvm.coro.id(i32, i8*, i8*, i8*) |
| declare i1 @llvm.coro.alloc(token) |
| declare i8* @llvm.coro.begin(token, i8*) |
| declare i1 @llvm.coro.end(i8*, i1) |
| |
| declare noalias i8* @malloc(i32) |
| declare i32 @print(i32) |
| declare void @free(i8*) |