| ; Check that we will insert the correct padding if natural alignment of the |
| ; spilled data does not match the alignment specified in alloca instruction. |
| ; RUN: opt < %s -coro-split -S | FileCheck %s |
| ; RUN: opt < %s -passes=coro-split -S | FileCheck %s |
| |
| %PackedStruct = type <{ i64 }> |
| |
| declare void @consume(%PackedStruct*) |
| |
| define i8* @f() "coroutine.presplit"="1" { |
| entry: |
| %data = alloca %PackedStruct, align 32 |
| %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) |
| call void @consume(%PackedStruct* %data) |
| %0 = call i8 @llvm.coro.suspend(token none, i1 false) |
| switch i8 %0, label %suspend [i8 0, label %resume |
| i8 1, label %cleanup] |
| resume: |
| call void @consume(%PackedStruct* %data) |
| 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 |
| } |
| |
| ; See if the padding was inserted before PackedStruct |
| ; CHECK-LABEL: %f.Frame = type { void (%f.Frame*)*, void (%f.Frame*)*, i1, [15 x i8], %PackedStruct } |
| |
| ; See if we used correct index to access packed struct (padding is field 3) |
| ; CHECK-LABEL: @f( |
| ; CHECK: %[[DATA:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 4 |
| ; CHECK-NEXT: call void @consume(%PackedStruct* %[[DATA]]) |
| ; CHECK: ret i8* |
| |
| ; See if we used correct index to access packed struct (padding is field 3) |
| ; CHECK-LABEL: @f.resume( |
| ; CHECK: %[[DATA:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 4 |
| ; CHECK-NEXT: call void @consume(%PackedStruct* %[[DATA]]) |
| ; CHECK: ret void |
| |
| 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 double @print(double) |
| declare void @free(i8*) |