mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-09-11 06:59:31 +00:00
Jake Bailey
259 lines
11 KiB
LLVM
259 lines
11 KiB
LLVM
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
|
|
target triple = "wasm32-unknown-unknown-wasm"
|
|
|
|
@runtime.stackChainStart = internal global ptr null
|
|
@someGlobal = global i8 3
|
|
@ptrGlobal = global ptr null
|
|
@arrGlobal = global [8 x i8] zeroinitializer
|
|
@structGlobal = global { ptr, i32, [2 x ptr] } zeroinitializer
|
|
@ptrArrayGlobal = global [8 x ptr] zeroinitializer
|
|
@constantPtrGlobal = constant ptr @someGlobal
|
|
@runtime.gcGlobalRoots = internal constant [4 x { ptr, i32 }] [{ ptr, i32 } { ptr @ptrGlobal, i32 4 }, { ptr, i32 } { ptr @structGlobal, i32 4 }, { ptr, i32 } { ptr getelementptr (i8, ptr @structGlobal, i32 8), i32 8 }, { ptr, i32 } { ptr @ptrArrayGlobal, i32 32 }]
|
|
@runtime.gcGlobalRootValueArray = internal global [12 x i32] zeroinitializer
|
|
|
|
declare void @runtime.trackPointer(ptr nocapture readonly)
|
|
|
|
declare noalias nonnull ptr @runtime.alloc(i32, ptr)
|
|
|
|
define i32 @runtime.gcGlobalRootCount() {
|
|
entry:
|
|
ret i32 4
|
|
}
|
|
|
|
define ptr @runtime.gcGlobalRoot(i32 %0) {
|
|
entry:
|
|
%1 = getelementptr inbounds [4 x { ptr, i32 }], ptr @runtime.gcGlobalRoots, i32 0, i32 %0
|
|
%2 = getelementptr inbounds nuw { ptr, i32 }, ptr %1, i32 0, i32 0
|
|
%3 = load ptr, ptr %2, align 4
|
|
ret ptr %3
|
|
}
|
|
|
|
define i32 @runtime.gcGlobalRootSize(i32 %0) {
|
|
entry:
|
|
%1 = getelementptr inbounds [4 x { ptr, i32 }], ptr @runtime.gcGlobalRoots, i32 0, i32 %0
|
|
%2 = getelementptr inbounds nuw { ptr, i32 }, ptr %1, i32 0, i32 1
|
|
%3 = load i32, ptr %2, align 4
|
|
ret i32 %3
|
|
}
|
|
|
|
define ptr @runtime.gcGlobalRootValues() {
|
|
entry:
|
|
ret ptr @runtime.gcGlobalRootValueArray
|
|
}
|
|
|
|
define ptr @getPointer() {
|
|
ret ptr @someGlobal
|
|
}
|
|
|
|
define ptr @needsStackSlots() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%ptr = call ptr @runtime.alloc(i32 4, ptr inttoptr (i32 3 to ptr))
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %ptr, ptr %3, align 4
|
|
call void @someArbitraryFunction()
|
|
%val = load i8, ptr @someGlobal, align 1
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %ptr
|
|
}
|
|
|
|
define ptr @needsStackSlots2() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr, ptr, ptr, ptr, ptr }, align 8
|
|
store { ptr, i32, ptr, ptr, ptr, ptr, ptr } { ptr null, i32 5, ptr null, ptr null, ptr null, ptr null, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%ptr1 = call ptr @getPointer()
|
|
%3 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 4
|
|
store ptr %ptr1, ptr %3, align 4
|
|
%4 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 3
|
|
store ptr %ptr1, ptr %4, align 4
|
|
%5 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %ptr1, ptr %5, align 4
|
|
%ptr2 = getelementptr i8, ptr @someGlobal, i32 0
|
|
%6 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 5
|
|
store ptr %ptr2, ptr %6, align 4
|
|
%unused = call ptr @runtime.alloc(i32 4, ptr inttoptr (i32 3 to ptr))
|
|
%7 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 6
|
|
store ptr %unused, ptr %7, align 4
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %ptr1
|
|
}
|
|
|
|
define ptr @noAllocatingFunction() {
|
|
%ptr = call ptr @getPointer()
|
|
ret ptr %ptr
|
|
}
|
|
|
|
define ptr @fibNext(ptr %x, ptr %y) {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%x.val = load i8, ptr %x, align 1
|
|
%y.val = load i8, ptr %y, align 1
|
|
%out.val = add i8 %x.val, %y.val
|
|
%out.alloc = call ptr @runtime.alloc(i32 1, ptr inttoptr (i32 3 to ptr))
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %out.alloc, ptr %3, align 4
|
|
store i8 %out.val, ptr %out.alloc, align 1
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %out.alloc
|
|
}
|
|
|
|
define ptr @allocLoop() {
|
|
entry:
|
|
%gc.stackobject = alloca { ptr, i32, ptr, ptr, ptr, ptr, ptr }, align 8
|
|
store { ptr, i32, ptr, ptr, ptr, ptr, ptr } { ptr null, i32 5, ptr null, ptr null, ptr null, ptr null, ptr null }, ptr %gc.stackobject, align 4
|
|
%0 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%1 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %0, ptr %1, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%entry.x = call ptr @runtime.alloc(i32 1, ptr inttoptr (i32 3 to ptr))
|
|
%2 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %entry.x, ptr %2, align 4
|
|
%entry.y = call ptr @runtime.alloc(i32 1, ptr inttoptr (i32 3 to ptr))
|
|
%3 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 3
|
|
store ptr %entry.y, ptr %3, align 4
|
|
store i8 1, ptr %entry.y, align 1
|
|
br label %loop
|
|
|
|
loop: ; preds = %loop, %entry
|
|
%prev.y = phi ptr [ %entry.y, %entry ], [ %prev.x, %loop ]
|
|
%prev.x = phi ptr [ %entry.x, %entry ], [ %next.x, %loop ]
|
|
%4 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 5
|
|
store ptr %prev.y, ptr %4, align 4
|
|
%5 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 4
|
|
store ptr %prev.x, ptr %5, align 4
|
|
%next.x = call ptr @fibNext(ptr %prev.x, ptr %prev.y)
|
|
%6 = getelementptr { ptr, i32, ptr, ptr, ptr, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 6
|
|
store ptr %next.x, ptr %6, align 4
|
|
%next.x.val = load i8, ptr %next.x, align 1
|
|
%loop.done = icmp ult i8 40, %next.x.val
|
|
br i1 %loop.done, label %end, label %loop
|
|
|
|
end: ; preds = %loop
|
|
store ptr %0, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %next.x
|
|
}
|
|
|
|
declare ptr @arrayAlloc()
|
|
|
|
define void @testGEPBitcast() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr, ptr }, align 8
|
|
store { ptr, i32, ptr, ptr } { ptr null, i32 2, ptr null, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%arr = call ptr @arrayAlloc()
|
|
%arr.bitcast = getelementptr [32 x i8], ptr %arr, i32 0, i32 0
|
|
%3 = getelementptr { ptr, i32, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %arr.bitcast, ptr %3, align 4
|
|
%other = call ptr @runtime.alloc(i32 1, ptr inttoptr (i32 3 to ptr))
|
|
%4 = getelementptr { ptr, i32, ptr, ptr }, ptr %gc.stackobject, i32 0, i32 3
|
|
store ptr %other, ptr %4, align 4
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret void
|
|
}
|
|
|
|
define void @someArbitraryFunction() {
|
|
ret void
|
|
}
|
|
|
|
define void @earlyPopRegression() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%x.alloc = call ptr @runtime.alloc(i32 4, ptr inttoptr (i32 3 to ptr))
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %x.alloc, ptr %3, align 4
|
|
call void @allocAndSave(ptr %x.alloc)
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret void
|
|
}
|
|
|
|
define void @allocAndSave(ptr %x) {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%y = call ptr @runtime.alloc(i32 4, ptr inttoptr (i32 3 to ptr))
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %y, ptr %3, align 4
|
|
store ptr %y, ptr %x, align 4
|
|
store ptr %x, ptr @ptrGlobal, align 4
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret void
|
|
}
|
|
|
|
declare void @"(internal/task).Pause"()
|
|
|
|
define ptr @getAndPause() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%ptr = call ptr @getPointer()
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %ptr, ptr %3, align 4
|
|
call void @"(internal/task).Pause"()
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %ptr
|
|
}
|
|
|
|
; Function Attrs: memory(readwrite)
|
|
declare void @externCallWithMemAttr() #0
|
|
|
|
define ptr @getAndCallWithMemAttr() {
|
|
%gc.stackobject = alloca { ptr, i32, ptr }, align 8
|
|
store { ptr, i32, ptr } { ptr null, i32 1, ptr null }, ptr %gc.stackobject, align 4
|
|
%1 = load ptr, ptr @runtime.stackChainStart, align 4
|
|
%2 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 0
|
|
store ptr %1, ptr %2, align 4
|
|
store ptr %gc.stackobject, ptr @runtime.stackChainStart, align 4
|
|
%ptr = call ptr @getPointer()
|
|
%3 = getelementptr { ptr, i32, ptr }, ptr %gc.stackobject, i32 0, i32 2
|
|
store ptr %ptr, ptr %3, align 4
|
|
call void @externCallWithMemAttr()
|
|
store ptr %1, ptr @runtime.stackChainStart, align 4
|
|
ret ptr %ptr
|
|
}
|
|
|
|
define { ptr, i32, i32 } @getSlice() {
|
|
ret { ptr, i32, i32 } { ptr @someGlobal, i32 8, i32 8 }
|
|
}
|
|
|
|
define i32 @copyToSlice(ptr %src.ptr, i32 %src.len, i32 %src.cap) {
|
|
%dst = call { ptr, i32, i32 } @getSlice()
|
|
%dst.ptr = extractvalue { ptr, i32, i32 } %dst, 0
|
|
%dst.len = extractvalue { ptr, i32, i32 } %dst, 1
|
|
%minLen = call i32 @llvm.umin.i32(i32 %dst.len, i32 %src.len)
|
|
call void @llvm.memmove.p0.p0.i32(ptr %dst.ptr, ptr %src.ptr, i32 %minLen, i1 false)
|
|
ret i32 %minLen
|
|
}
|
|
|
|
; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
|
|
declare i32 @llvm.umin.i32(i32, i32) #1
|
|
|
|
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
|
|
declare void @llvm.memmove.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #2
|
|
|
|
attributes #0 = { memory(readwrite) }
|
|
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
|
|
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
|