Files
tinygo/compiler/testdata/string.ll
Ayke van Laethem 7b486e398a compiler: clean up pointer pack code
This means runtime.alloc isn't allocated every time but instead only
when it is actually needed. It also just cleans up the compiler code a
little bit, and makes the next commit a bit nicer.
2026-05-25 16:58:01 +02:00

100 lines
3.5 KiB
LLVM

; ModuleID = 'string.go'
source_filename = "string.go"
target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-i128:128-n32:64-S128-ni:1:10:20"
target triple = "wasm32-unknown-wasi"
%runtime._string = type { ptr, i32 }
@"main$string" = internal unnamed_addr constant [3 x i8] c"foo", align 1
declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #0
; Function Attrs: nounwind
define hidden void @main.init(ptr %context) unnamed_addr #1 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden %runtime._string @main.someString(ptr %context) unnamed_addr #1 {
entry:
ret %runtime._string { ptr @"main$string", i32 3 }
}
; Function Attrs: nounwind
define hidden %runtime._string @main.zeroLengthString(ptr %context) unnamed_addr #1 {
entry:
ret %runtime._string zeroinitializer
}
; Function Attrs: nounwind
define hidden i32 @main.stringLen(ptr readonly %s.data, i32 %s.len, ptr %context) unnamed_addr #1 {
entry:
ret i32 %s.len
}
; Function Attrs: nounwind
define hidden i8 @main.stringIndex(ptr readonly %s.data, i32 %s.len, i32 %index, ptr %context) unnamed_addr #1 {
entry:
%.not = icmp ult i32 %index, %s.len
br i1 %.not, label %lookup.next, label %lookup.throw
lookup.next: ; preds = %entry
%0 = getelementptr inbounds i8, ptr %s.data, i32 %index
%1 = load i8, ptr %0, align 1
ret i8 %1
lookup.throw: ; preds = %entry
call void @runtime.lookupPanic(ptr undef) #2
unreachable
}
declare void @runtime.lookupPanic(ptr) #0
; Function Attrs: nounwind
define hidden i1 @main.stringCompareEqual(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #1 {
entry:
%0 = call i1 @runtime.stringEqual(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr undef) #2
ret i1 %0
}
declare i1 @runtime.stringEqual(ptr readonly, i32, ptr readonly, i32, ptr) #0
; Function Attrs: nounwind
define hidden i1 @main.stringCompareUnequal(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #1 {
entry:
%0 = call i1 @runtime.stringEqual(ptr %s1.data, i32 %s1.len, ptr %s2.data, i32 %s2.len, ptr undef) #2
%1 = xor i1 %0, true
ret i1 %1
}
; Function Attrs: nounwind
define hidden i1 @main.stringCompareLarger(ptr readonly %s1.data, i32 %s1.len, ptr readonly %s2.data, i32 %s2.len, ptr %context) unnamed_addr #1 {
entry:
%0 = call i1 @runtime.stringLess(ptr %s2.data, i32 %s2.len, ptr %s1.data, i32 %s1.len, ptr undef) #2
ret i1 %0
}
declare i1 @runtime.stringLess(ptr readonly, i32, ptr readonly, i32, ptr) #0
; Function Attrs: nounwind
define hidden i8 @main.stringLookup(ptr readonly %s.data, i32 %s.len, i8 %x, ptr %context) unnamed_addr #1 {
entry:
%0 = zext i8 %x to i32
%.not = icmp ugt i32 %s.len, %0
br i1 %.not, label %lookup.next, label %lookup.throw
lookup.next: ; preds = %entry
%1 = getelementptr inbounds nuw i8, ptr %s.data, i32 %0
%2 = load i8, ptr %1, align 1
ret i8 %2
lookup.throw: ; preds = %entry
call void @runtime.lookupPanic(ptr undef) #2
unreachable
}
attributes #0 = { "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #1 = { nounwind "target-features"="+bulk-memory,+bulk-memory-opt,+call-indirect-overlong,+mutable-globals,+nontrapping-fptoint,+sign-ext,-multivalue,-reference-types" }
attributes #2 = { nounwind }