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coro-frame-arrayalloca.ll
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coro-frame-arrayalloca.ll
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; Check that we can handle spills of array allocas
; RUN: opt < %s -coro-split -S | FileCheck %s
declare void @consume.double.ptr(double*)
declare void @consume.i32.ptr(i32*)
define i8* @f() "coroutine.presplit"="1" {
entry:
%prefix = alloca double
%data = alloca i32, i32 4
%suffix = alloca double
%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.double.ptr(double* %prefix)
call void @consume.i32.ptr(i32* %data)
call void @consume.double.ptr(double* %suffix)
%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.double.ptr(double* %prefix)
call void @consume.i32.ptr(i32* %data)
call void @consume.double.ptr(double* %suffix)
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 array alloca was stored as an array field.
; CHECK-LABEL: %f.Frame = type { void (%f.Frame*)*, void (%f.Frame*)*, i1, i1, double, [4 x i32], double }
; See if we used correct index to access prefix, data, suffix (@f)
; CHECK-LABEL: @f(
; CHECK: %prefix = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 4
; CHECK-NEXT: %data = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 5
; CHECK-NEXT: %suffix = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 6
; CHECK-NEXT: call void @consume.double.ptr(double* %prefix)
; CHECK-NEXT: call void @consume.i32.ptr(i32* %data)
; CHECK-NEXT: call void @consume.double.ptr(double* %suffix)
; CHECK: ret i8*
; See if we used correct index to access prefix, data, suffix (@f.resume)
; CHECK-LABEL: @f.resume(
; CHECK: %[[SUFFIX:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 6
; CHECK: %[[DATA:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 5
; CHECK: %[[PREFIX:.+]] = getelementptr inbounds %f.Frame, %f.Frame* %FramePtr, i32 0, i32 4
; CHECK: call void @consume.double.ptr(double* %[[PREFIX]])
; CHECK-NEXT: call void @consume.i32.ptr(i32* %[[DATA]])
; CHECK-NEXT: call void @consume.double.ptr(double* %[[SUFFIX]])
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*)