mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-08-01 01:27:46 +00:00
Ayke van Laethem
571447c7c1
This adds something like 'align 4' to the runtime.alloc calls, so that the compiler knows the alignment of the allocation and can optimize accordingly. The optimization is very small, only 0.01% in my small test. However, my plan is to read the value in the heap-to-stack transform pass to make it more correct and let it produce slightly more optimal code.
329 lines
13 KiB
LLVM
329 lines
13 KiB
LLVM
; ModuleID = 'slice.go'
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source_filename = "slice.go"
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target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20"
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target triple = "wasm32-unknown-wasi"
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; Function Attrs: allockind("alloc,zeroed") allocsize(0)
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declare noalias nonnull ptr @runtime.alloc(i32, ptr, ptr) #0
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declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #1
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; Function Attrs: nounwind
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define hidden void @main.init(ptr %context) unnamed_addr #2 {
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entry:
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ret void
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}
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; Function Attrs: nounwind
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define hidden i32 @main.sliceLen(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %context) unnamed_addr #2 {
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entry:
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ret i32 %ints.len
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}
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; Function Attrs: nounwind
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define hidden i32 @main.sliceCap(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %context) unnamed_addr #2 {
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entry:
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ret i32 %ints.cap
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}
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; Function Attrs: nounwind
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define hidden i32 @main.sliceElement(ptr %ints.data, i32 %ints.len, i32 %ints.cap, i32 %index, ptr %context) unnamed_addr #2 {
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entry:
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%.not = icmp ult i32 %index, %ints.len
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br i1 %.not, label %lookup.next, label %lookup.throw
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lookup.next: ; preds = %entry
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%0 = getelementptr inbounds i32, ptr %ints.data, i32 %index
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%1 = load i32, ptr %0, align 4
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ret i32 %1
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lookup.throw: ; preds = %entry
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call void @runtime.lookupPanic(ptr undef) #3
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unreachable
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}
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declare void @runtime.lookupPanic(ptr) #1
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.sliceAppendValues(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%varargs = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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call void @runtime.trackPointer(ptr nonnull %varargs, ptr nonnull %stackalloc, ptr undef) #3
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store i32 1, ptr %varargs, align 4
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%0 = getelementptr inbounds [3 x i32], ptr %varargs, i32 0, i32 1
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store i32 2, ptr %0, align 4
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%1 = getelementptr inbounds [3 x i32], ptr %varargs, i32 0, i32 2
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store i32 3, ptr %1, align 4
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%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr nonnull %varargs, i32 %ints.len, i32 %ints.cap, i32 3, i32 4, ptr undef) #3
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%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
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%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
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%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2
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%2 = insertvalue { ptr, i32, i32 } undef, ptr %append.newPtr, 0
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%3 = insertvalue { ptr, i32, i32 } %2, i32 %append.newLen, 1
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%4 = insertvalue { ptr, i32, i32 } %3, i32 %append.newCap, 2
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call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %4
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}
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declare { ptr, i32, i32 } @runtime.sliceAppend(ptr, ptr nocapture readonly, i32, i32, i32, i32, ptr) #1
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.sliceAppendSlice(ptr %ints.data, i32 %ints.len, i32 %ints.cap, ptr %added.data, i32 %added.len, i32 %added.cap, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%append.new = call { ptr, i32, i32 } @runtime.sliceAppend(ptr %ints.data, ptr %added.data, i32 %ints.len, i32 %ints.cap, i32 %added.len, i32 4, ptr undef) #3
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%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
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%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
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%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2
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%0 = insertvalue { ptr, i32, i32 } undef, ptr %append.newPtr, 0
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%1 = insertvalue { ptr, i32, i32 } %0, i32 %append.newLen, 1
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%2 = insertvalue { ptr, i32, i32 } %1, i32 %append.newCap, 2
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call void @runtime.trackPointer(ptr %append.newPtr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %2
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}
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; Function Attrs: nounwind
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define hidden i32 @main.sliceCopy(ptr %dst.data, i32 %dst.len, i32 %dst.cap, ptr %src.data, i32 %src.len, i32 %src.cap, ptr %context) unnamed_addr #2 {
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entry:
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%copy.n = call i32 @runtime.sliceCopy(ptr %dst.data, ptr %src.data, i32 %dst.len, i32 %src.len, i32 4, ptr undef) #3
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ret i32 %copy.n
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}
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declare i32 @runtime.sliceCopy(ptr nocapture writeonly, ptr nocapture readonly, i32, i32, i32, ptr) #1
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.makeByteSlice(i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%slice.maxcap = icmp slt i32 %len, 0
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br i1 %slice.maxcap, label %slice.throw, label %slice.next
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slice.next: ; preds = %entry
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%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %len, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
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%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
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%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
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call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %2
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slice.throw: ; preds = %entry
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call void @runtime.slicePanic(ptr undef) #3
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unreachable
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}
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declare void @runtime.slicePanic(ptr) #1
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.makeInt16Slice(i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%slice.maxcap = icmp slt i32 %len, 0
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br i1 %slice.maxcap, label %slice.throw, label %slice.next
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slice.next: ; preds = %entry
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%makeslice.cap = shl nuw i32 %len, 1
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%makeslice.buf = call align 2 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
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%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
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%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
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call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %2
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slice.throw: ; preds = %entry
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call void @runtime.slicePanic(ptr undef) #3
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unreachable
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}
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.makeArraySlice(i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%slice.maxcap = icmp ugt i32 %len, 1431655765
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br i1 %slice.maxcap, label %slice.throw, label %slice.next
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slice.next: ; preds = %entry
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%makeslice.cap = mul i32 %len, 3
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%makeslice.buf = call align 1 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
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%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
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%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
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call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %2
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slice.throw: ; preds = %entry
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call void @runtime.slicePanic(ptr undef) #3
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unreachable
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}
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.makeInt32Slice(i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%slice.maxcap = icmp ugt i32 %len, 1073741823
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br i1 %slice.maxcap, label %slice.throw, label %slice.next
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slice.next: ; preds = %entry
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%makeslice.cap = shl nuw i32 %len, 2
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%makeslice.buf = call align 4 ptr @runtime.alloc(i32 %makeslice.cap, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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%0 = insertvalue { ptr, i32, i32 } undef, ptr %makeslice.buf, 0
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%1 = insertvalue { ptr, i32, i32 } %0, i32 %len, 1
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%2 = insertvalue { ptr, i32, i32 } %1, i32 %len, 2
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call void @runtime.trackPointer(ptr nonnull %makeslice.buf, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %2
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slice.throw: ; preds = %entry
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call void @runtime.slicePanic(ptr undef) #3
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unreachable
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}
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; Function Attrs: nounwind
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define hidden ptr @main.Add32(ptr %p, i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = getelementptr i8, ptr %p, i32 %len
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call void @runtime.trackPointer(ptr %0, ptr nonnull %stackalloc, ptr undef) #3
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ret ptr %0
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}
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; Function Attrs: nounwind
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define hidden ptr @main.Add64(ptr %p, i64 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = trunc i64 %len to i32
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%1 = getelementptr i8, ptr %p, i32 %0
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call void @runtime.trackPointer(ptr %1, ptr nonnull %stackalloc, ptr undef) #3
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ret ptr %1
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}
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; Function Attrs: nounwind
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define hidden ptr @main.SliceToArray(ptr %s.data, i32 %s.len, i32 %s.cap, ptr %context) unnamed_addr #2 {
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entry:
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%0 = icmp ult i32 %s.len, 4
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br i1 %0, label %slicetoarray.throw, label %slicetoarray.next
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slicetoarray.next: ; preds = %entry
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ret ptr %s.data
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slicetoarray.throw: ; preds = %entry
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call void @runtime.sliceToArrayPointerPanic(ptr undef) #3
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unreachable
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}
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declare void @runtime.sliceToArrayPointerPanic(ptr) #1
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; Function Attrs: nounwind
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define hidden ptr @main.SliceToArrayConst(ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%makeslice = call align 4 dereferenceable(24) ptr @runtime.alloc(i32 24, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #3
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call void @runtime.trackPointer(ptr nonnull %makeslice, ptr nonnull %stackalloc, ptr undef) #3
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br i1 false, label %slicetoarray.throw, label %slicetoarray.next
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slicetoarray.next: ; preds = %entry
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ret ptr %makeslice
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slicetoarray.throw: ; preds = %entry
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unreachable
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}
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.SliceInt(ptr dereferenceable_or_null(4) %ptr, i32 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = icmp ugt i32 %len, 1073741823
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%1 = icmp eq ptr %ptr, null
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%2 = icmp ne i32 %len, 0
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%3 = and i1 %1, %2
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%4 = or i1 %3, %0
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br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
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unsafe.Slice.next: ; preds = %entry
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%5 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
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%6 = insertvalue { ptr, i32, i32 } %5, i32 %len, 1
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%7 = insertvalue { ptr, i32, i32 } %6, i32 %len, 2
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call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %7
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unsafe.Slice.throw: ; preds = %entry
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call void @runtime.unsafeSlicePanic(ptr undef) #3
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unreachable
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}
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declare void @runtime.unsafeSlicePanic(ptr) #1
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.SliceUint16(ptr dereferenceable_or_null(1) %ptr, i16 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = icmp eq ptr %ptr, null
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%1 = icmp ne i16 %len, 0
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%2 = and i1 %0, %1
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br i1 %2, label %unsafe.Slice.throw, label %unsafe.Slice.next
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unsafe.Slice.next: ; preds = %entry
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%3 = zext i16 %len to i32
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%4 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
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%5 = insertvalue { ptr, i32, i32 } %4, i32 %3, 1
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%6 = insertvalue { ptr, i32, i32 } %5, i32 %3, 2
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call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %6
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unsafe.Slice.throw: ; preds = %entry
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call void @runtime.unsafeSlicePanic(ptr undef) #3
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unreachable
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}
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.SliceUint64(ptr dereferenceable_or_null(4) %ptr, i64 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = icmp ugt i64 %len, 1073741823
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%1 = icmp eq ptr %ptr, null
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%2 = icmp ne i64 %len, 0
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%3 = and i1 %1, %2
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%4 = or i1 %3, %0
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br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
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unsafe.Slice.next: ; preds = %entry
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%5 = trunc i64 %len to i32
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%6 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
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%7 = insertvalue { ptr, i32, i32 } %6, i32 %5, 1
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%8 = insertvalue { ptr, i32, i32 } %7, i32 %5, 2
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call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %8
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unsafe.Slice.throw: ; preds = %entry
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call void @runtime.unsafeSlicePanic(ptr undef) #3
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unreachable
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}
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; Function Attrs: nounwind
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define hidden { ptr, i32, i32 } @main.SliceInt64(ptr dereferenceable_or_null(4) %ptr, i64 %len, ptr %context) unnamed_addr #2 {
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entry:
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%stackalloc = alloca i8, align 1
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%0 = icmp ugt i64 %len, 1073741823
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%1 = icmp eq ptr %ptr, null
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%2 = icmp ne i64 %len, 0
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%3 = and i1 %1, %2
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%4 = or i1 %3, %0
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br i1 %4, label %unsafe.Slice.throw, label %unsafe.Slice.next
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unsafe.Slice.next: ; preds = %entry
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%5 = trunc i64 %len to i32
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%6 = insertvalue { ptr, i32, i32 } undef, ptr %ptr, 0
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%7 = insertvalue { ptr, i32, i32 } %6, i32 %5, 1
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%8 = insertvalue { ptr, i32, i32 } %7, i32 %5, 2
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call void @runtime.trackPointer(ptr %ptr, ptr nonnull %stackalloc, ptr undef) #3
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ret { ptr, i32, i32 } %8
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unsafe.Slice.throw: ; preds = %entry
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call void @runtime.unsafeSlicePanic(ptr undef) #3
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unreachable
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}
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attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
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attributes #1 = { "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
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attributes #2 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
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attributes #3 = { nounwind }
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