| Issue |
123808
|
| Summary |
Windows aarch64 MC assert failure: `<unknown>:0: error: Incorrect size for foo prologue: 32 bytes of instructions in range, but .seh directives corresponding to 28 bytes`
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
hjyamauchi
|
Reproduction:
A reduced test input: `reduced.ll`
```
target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128-Fn32"
target triple = "aarch64-unknown-windows-msvc19.42.34436"
%swift.refcounted = type { ptr, i64 }
%TScA_pSg = type <{ [16 x i8] }>
%T5repro4TestVSg = type <{ [32 x i8] }>
%T5repro4TestV = type <{ %TSS, %TSS }>
%TSS = type <{ %Ts11_StringGutsV }>
%Ts11_StringGutsV = type <{ %Ts13_StringObjectV }>
%Ts13_StringObjectV = type <{ %Ts6UInt64V, ptr }>
%Ts6UInt64V = type <{ i64 }>
declare swiftcc ptr @swift_task_alloc()
declare swifttailcc void @bar(ptr, ptr, i64, i64, i64, ptr, i64, i64, i64, i64, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr, i64, ptr)
define swifttailcc void @foo(ptr %0, ptr swiftasync %1, ptr swiftself %2, ptr %3, ptr %._guts2._object._object, ptr %.rid4._guts._object._object, ptr %4, ptr %.idx8, ptr %.idx8._guts._object._object, ptr %5, ptr %.rid9._guts._object._object, ptr %6) {
entry:
%7 = load i64, ptr null, align 8
%8 = load i64, ptr %3, align 8
%9 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 2
%10 = load i64, ptr %9, align 8
%11 = load ptr, ptr %1, align 8
%12 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 3
%13 = load i64, ptr %.rid9._guts._object._object, align 8
%14 = load i64, ptr %.idx8._guts._object._object, align 8
%15 = load i64, ptr %5, align 8
%16 = getelementptr { i64, i64, i64, i64 }, ptr %12, i32 0, i32 3
%17 = load i64, ptr %16, align 8
%18 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 4
%19 = load i64, ptr %18, align 8
%.rid._guts._object._object = getelementptr %Ts13_StringObjectV, ptr %18, i32 0, i32 1
%20 = load ptr, ptr %.rid._guts._object._object, align 8
%21 = load i64, ptr %.rid4._guts._object._object, align 8
%22 = load i64, ptr %0, align 8
%23 = load ptr, ptr %6, align 8
%24 = load i64, ptr %2, align 8
%25 = load ptr, ptr %._guts2._object._object, align 8
%26 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 7
%27 = load i64, ptr %26, align 8
%._guts3._object._object = getelementptr %Ts13_StringObjectV, ptr %26, i32 0, i32 1
%28 = load ptr, ptr %._guts3._object._object, align 8
%29 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 8
%30 = load i64, ptr %29, align 8
%.idx5 = getelementptr %T5repro4TestV, ptr %29, i32 0, i32 1
%31 = load i64, ptr %.idx5, align 8
%.idx5._guts._object._object = getelementptr %Ts13_StringObjectV, ptr %.idx5, i32 0, i32 1
%32 = load ptr, ptr %.idx5._guts._object._object, align 8
%33 = getelementptr <{ %swift.refcounted, %TScA_pSg, %TSS, %T5repro4TestVSg, %T5repro4TestV, %TSS, %TSS, %TSS, %T5repro4TestV, %TSS, %T5repro4TestV, %T5repro4TestV, %TSS }>, ptr %2, i32 0, i32 9
%34 = load i64, ptr %33, align 8
%35 = load i64, ptr %4, align 8
%36 = load i64, ptr %.idx8, align 8
%37 = load i64, ptr %1, align 8
%38 = call swiftcc ptr @swift_task_alloc()
store ptr null, ptr %3, align 8
store ptr null, ptr %4, align 8
musttail call swifttailcc void @bar(ptr null, ptr swiftasync %.rid4._guts._object._object, i64 %7, i64 %8, i64 %10, ptr %5, i64 %13, i64 %14, i64 %15, i64 %17, i64 %19, ptr %20, i64 %21, ptr %.idx8, i64 %22, ptr %23, i64 %24, ptr %25, i64 %27, ptr %28, i64 %30, ptr %.idx8._guts._object._object, i64 %31, ptr %32, i64 %34, ptr %._guts2._object._object, i64 %35, ptr %2, i64 %36, ptr %1, i64 %37, ptr %0, i64 0, ptr null, i64 0, ptr null)
ret void
}
```
```
$ llc --filetype obj reduced.ll
<unknown>:0: error: Incorrect size for foo prologue: 32 bytes of instructions in range, but .seh directives corresponding to 28 bytes
```
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