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compiler/runtime: add element layout to sliceAppend

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Attach the memory layout of the element type to newly created slices via append when using the precise collector.
This commit is contained in:
Nia Waldvogel
2025-12-26 20:25:02 -05:00
committed by Nia
parent 27cedf09e8
commit 266d70816f
4 changed files with 18 additions and 19 deletions
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compiler/testdata/slice.ll
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+3 -3
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@@ -55,7 +55,7 @@ entry:
store i32 2, ptr %0, align 4
%1 = getelementptr inbounds nuw i8, ptr %varargs, i32 8
store i32 3, ptr %1, align 4
%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
%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 nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2
@@ -66,13 +66,13 @@ entry:
ret { ptr, i32, i32 } %4
}
declare { ptr, i32, i32 } @runtime.sliceAppend(ptr, ptr nocapture readonly, i32, i32, i32, i32, ptr) #1
declare { ptr, i32, i32 } @runtime.sliceAppend(ptr, ptr nocapture readonly, i32, i32, i32, i32, ptr, ptr) #1
; Function Attrs: nounwind
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 {
entry:
%stackalloc = alloca i8, align 1
%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
%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 nonnull inttoptr (i32 3 to ptr), ptr undef) #3
%append.newPtr = extractvalue { ptr, i32, i32 } %append.new, 0
%append.newLen = extractvalue { ptr, i32, i32 } %append.new, 1
%append.newCap = extractvalue { ptr, i32, i32 } %append.new, 2