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tinygo/compiler/testdata/defer-cortex-m-qemu.ll
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Jake Bailey e039ce131c runtime: encode pending Goexit in panic state 
Treat panicState as a bitmask so a recovered panic during Goexit
can clear the panic bit while preserving the pending Goexit bit.
This removes the separate deferFrame Goexit field and restores the
previous defer frame size.
2026-07-11 11:53:33 +02:00

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LLVM
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; ModuleID = 'defer.go'
source_filename = "defer.go"
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7m-unknown-unknown-eabi"
%runtime.deferFrame = type { ptr, ptr, [0 x ptr], ptr, i8, %runtime._interface, ptr }
%runtime._interface = type { ptr, ptr }
; Function Attrs: nounwind
define hidden void @main.init(ptr %context) unnamed_addr #0 {
entry:
ret void
}
declare void @main.external(ptr) #1
; Function Attrs: nounwind
define hidden void @main.deferSimple(ptr %context) unnamed_addr #0 {
entry:
%defer.alloca = alloca { i32, ptr }, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%deferPtr = getelementptr inbounds nuw i8, ptr %deferframe.buf, i32 24
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
%defer.next = load ptr, ptr %deferPtr, align 4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack15 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr %defer.next, ptr %defer.alloca.repack15, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
%setjmp = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result = icmp eq i32 %setjmp, 0
br i1 %setjmp.result, label %1, label %lpad
1: ; preds = %entry
call void @main.external(ptr undef) #4
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %1
br label %rundefers.loophead
rundefers.loophead: ; preds = %3, %rundefers.block
%2 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %2, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %2, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %2, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
%setjmp1 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result2 = icmp eq i32 %setjmp1, 0
br i1 %setjmp.result2, label %3, label %lpad
3: ; preds = %rundefers.callback0
call void @"main.deferSimple$1"(ptr undef)
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end3
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
lpad: ; preds = %rundefers.callback012, %rundefers.callback0, %entry
br label %rundefers.loophead6
rundefers.loophead6: ; preds = %5, %lpad
%4 = load ptr, ptr %deferPtr, align 4
%stackIsNil7 = icmp eq ptr %4, null
br i1 %stackIsNil7, label %rundefers.end3, label %rundefers.loop5
rundefers.loop5: ; preds = %rundefers.loophead6
%stack.next.gep8 = getelementptr inbounds nuw i8, ptr %4, i32 4
%stack.next9 = load ptr, ptr %stack.next.gep8, align 4
store ptr %stack.next9, ptr %deferPtr, align 4
%callback11 = load i32, ptr %4, align 4
switch i32 %callback11, label %rundefers.default4 [
i32 0, label %rundefers.callback012
]
rundefers.callback012: ; preds = %rundefers.loop5
%setjmp13 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result14 = icmp eq i32 %setjmp13, 0
br i1 %setjmp.result14, label %5, label %lpad
5: ; preds = %rundefers.callback012
call void @"main.deferSimple$1"(ptr undef)
br label %rundefers.loophead6
rundefers.default4: ; preds = %rundefers.loop5
unreachable
rundefers.end3: ; preds = %rundefers.loophead6
br label %recover
}
; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2
declare void @runtime.setupDeferFrame(ptr dereferenceable_or_null(28), ptr, ptr) #1
declare void @runtime.destroyDeferFrame(ptr dereferenceable_or_null(28), ptr) #1
; Function Attrs: nounwind
define internal void @"main.deferSimple$1"(ptr %context) unnamed_addr #0 {
entry:
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 3, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
ret void
}
declare void @runtime.printlock(ptr) #1
declare void @runtime.printint32(i32, ptr) #1
declare void @runtime.printunlock(ptr) #1
; Function Attrs: nounwind
define hidden void @main.deferMultiple(ptr %context) unnamed_addr #0 {
entry:
%defer.alloca2 = alloca { i32, ptr }, align 4
%defer.alloca = alloca { i32, ptr }, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%deferPtr = getelementptr inbounds nuw i8, ptr %deferframe.buf, i32 24
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
%defer.next = load ptr, ptr %deferPtr, align 4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack22 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr %defer.next, ptr %defer.alloca.repack22, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
store i32 1, ptr %defer.alloca2, align 4
%defer.alloca2.repack24 = getelementptr inbounds nuw i8, ptr %defer.alloca2, i32 4
store ptr %defer.alloca, ptr %defer.alloca2.repack24, align 4
store ptr %defer.alloca2, ptr %deferPtr, align 4
%setjmp = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result = icmp eq i32 %setjmp, 0
br i1 %setjmp.result, label %1, label %lpad
1: ; preds = %entry
call void @main.external(ptr undef) #4
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %1
br label %rundefers.loophead
rundefers.loophead: ; preds = %4, %3, %rundefers.block
%2 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %2, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %2, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %2, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
i32 1, label %rundefers.callback1
]
rundefers.callback0: ; preds = %rundefers.loop
%setjmp3 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result4 = icmp eq i32 %setjmp3, 0
br i1 %setjmp.result4, label %3, label %lpad
3: ; preds = %rundefers.callback0
call void @"main.deferMultiple$1"(ptr undef)
br label %rundefers.loophead
rundefers.callback1: ; preds = %rundefers.loop
%setjmp5 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result6 = icmp eq i32 %setjmp5, 0
br i1 %setjmp.result6, label %4, label %lpad
4: ; preds = %rundefers.callback1
call void @"main.deferMultiple$2"(ptr undef)
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end7
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
lpad: ; preds = %rundefers.callback119, %rundefers.callback016, %rundefers.callback1, %rundefers.callback0, %entry
br label %rundefers.loophead10
rundefers.loophead10: ; preds = %7, %6, %lpad
%5 = load ptr, ptr %deferPtr, align 4
%stackIsNil11 = icmp eq ptr %5, null
br i1 %stackIsNil11, label %rundefers.end7, label %rundefers.loop9
rundefers.loop9: ; preds = %rundefers.loophead10
%stack.next.gep12 = getelementptr inbounds nuw i8, ptr %5, i32 4
%stack.next13 = load ptr, ptr %stack.next.gep12, align 4
store ptr %stack.next13, ptr %deferPtr, align 4
%callback15 = load i32, ptr %5, align 4
switch i32 %callback15, label %rundefers.default8 [
i32 0, label %rundefers.callback016
i32 1, label %rundefers.callback119
]
rundefers.callback016: ; preds = %rundefers.loop9
%setjmp17 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result18 = icmp eq i32 %setjmp17, 0
br i1 %setjmp.result18, label %6, label %lpad
6: ; preds = %rundefers.callback016
call void @"main.deferMultiple$1"(ptr undef)
br label %rundefers.loophead10
rundefers.callback119: ; preds = %rundefers.loop9
%setjmp20 = call i32 asm "\0Amovs r0, #0\0Amov r2, pc\0Astr r2, [r1, #4]", "={r0},{r1},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{lr},~{q0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7},~{q8},~{q9},~{q10},~{q11},~{q12},~{q13},~{q14},~{q15},~{cpsr},~{memory}"(ptr nonnull %deferframe.buf) #5
%setjmp.result21 = icmp eq i32 %setjmp20, 0
br i1 %setjmp.result21, label %7, label %lpad
7: ; preds = %rundefers.callback119
call void @"main.deferMultiple$2"(ptr undef)
br label %rundefers.loophead10
rundefers.default8: ; preds = %rundefers.loop9
unreachable
rundefers.end7: ; preds = %rundefers.loophead10
br label %recover
}
; Function Attrs: nounwind
define internal void @"main.deferMultiple$1"(ptr %context) unnamed_addr #0 {
entry:
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 3, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
ret void
}
; Function Attrs: nounwind
define internal void @"main.deferMultiple$2"(ptr %context) unnamed_addr #0 {
entry:
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 5, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
ret void
}
; Function Attrs: nounwind
define hidden void @main.deferInfiniteLoop(ptr %context) unnamed_addr #0 {
entry:
%deferframe.buf = alloca %runtime.deferFrame, align 4
%deferPtr = getelementptr inbounds nuw i8, ptr %deferframe.buf, i32 24
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.body
for.body: ; preds = %for.body, %entry
%defer.next = load ptr, ptr %deferPtr, align 4
%defer.alloc.call = call dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #4
store i32 0, ptr %defer.alloc.call, align 4
%defer.alloc.call.repack1 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 4
store ptr %defer.next, ptr %defer.alloc.call.repack1, align 4
%defer.alloc.call.repack3 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 8
store i32 8, ptr %defer.alloc.call.repack3, align 4
store ptr %defer.alloc.call, ptr %deferPtr, align 4
br label %for.body
recover: ; preds = %rundefers.end
ret void
lpad: ; No predecessors!
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %lpad
br i1 poison, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
switch i32 poison, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %recover
}
; Function Attrs: allockind("alloc,zeroed") allocsize(0)
declare noalias nonnull ptr @runtime.alloc(i32, ptr, ptr) #3
; Function Attrs: nounwind
define hidden void @main.deferLoop(ptr %context) unnamed_addr #0 {
entry:
%deferframe.buf = alloca %runtime.deferFrame, align 4
%deferPtr = getelementptr inbounds nuw i8, ptr %deferframe.buf, i32 24
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.loop
for.loop: ; preds = %for.body, %entry
%1 = phi i32 [ 0, %entry ], [ %3, %for.body ]
%2 = icmp slt i32 %1, 10
br i1 %2, label %for.body, label %for.done
for.body: ; preds = %for.loop
%defer.next = load ptr, ptr %deferPtr, align 4
%defer.alloc.call = call dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #4
store i32 0, ptr %defer.alloc.call, align 4
%defer.alloc.call.repack13 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 4
store ptr %defer.next, ptr %defer.alloc.call.repack13, align 4
%defer.alloc.call.repack15 = getelementptr inbounds nuw i8, ptr %defer.alloc.call, i32 8
store i32 %1, ptr %defer.alloc.call.repack15, align 4
store ptr %defer.alloc.call, ptr %deferPtr, align 4
%3 = add i32 %1, 1
br label %for.loop
for.done: ; preds = %for.loop
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %for.done
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %rundefers.block
%4 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %4, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %4, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %4, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
%gep = getelementptr inbounds nuw i8, ptr %4, i32 8
%param = load i32, ptr %gep, align 4
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 %param, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end1
ret void
lpad: ; No predecessors!
br label %rundefers.loophead4
rundefers.loophead4: ; preds = %rundefers.callback010, %lpad
br i1 poison, label %rundefers.end1, label %rundefers.loop3
rundefers.loop3: ; preds = %rundefers.loophead4
switch i32 poison, label %rundefers.default2 [
i32 0, label %rundefers.callback010
]
rundefers.callback010: ; preds = %rundefers.loop3
br label %rundefers.loophead4
rundefers.default2: ; preds = %rundefers.loop3
unreachable
rundefers.end1: ; preds = %rundefers.loophead4
br label %recover
}
; Function Attrs: nounwind
define hidden void @main.deferBetweenLoops(ptr %context) unnamed_addr #0 {
entry:
%defer.alloca = alloca { i32, ptr, i32 }, align 4
%deferframe.buf = alloca %runtime.deferFrame, align 4
%deferPtr = getelementptr inbounds nuw i8, ptr %deferframe.buf, i32 24
%0 = call ptr @llvm.stacksave.p0()
call void @runtime.setupDeferFrame(ptr nonnull %deferframe.buf, ptr %0, ptr undef) #4
br label %for.loop
for.loop: ; preds = %for.body, %entry
%1 = phi i32 [ 0, %entry ], [ %3, %for.body ]
%2 = icmp slt i32 %1, 10
br i1 %2, label %for.body, label %for.done
for.body: ; preds = %for.loop
%3 = add i32 %1, 1
br label %for.loop
for.done: ; preds = %for.loop
%defer.next = load ptr, ptr %deferPtr, align 4
store i32 0, ptr %defer.alloca, align 4
%defer.alloca.repack16 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 4
store ptr %defer.next, ptr %defer.alloca.repack16, align 4
%defer.alloca.repack18 = getelementptr inbounds nuw i8, ptr %defer.alloca, i32 8
store i32 1, ptr %defer.alloca.repack18, align 4
store ptr %defer.alloca, ptr %deferPtr, align 4
br label %for.loop1
for.loop1: ; preds = %for.body2, %for.done
%4 = phi i32 [ 0, %for.done ], [ %6, %for.body2 ]
%5 = icmp slt i32 %4, 10
br i1 %5, label %for.body2, label %for.done3
for.body2: ; preds = %for.loop1
%6 = add i32 %4, 1
br label %for.loop1
for.done3: ; preds = %for.loop1
br label %rundefers.block
rundefers.after: ; preds = %rundefers.end
call void @runtime.destroyDeferFrame(ptr nonnull %deferframe.buf, ptr undef) #4
ret void
rundefers.block: ; preds = %for.done3
br label %rundefers.loophead
rundefers.loophead: ; preds = %rundefers.callback0, %rundefers.block
%7 = load ptr, ptr %deferPtr, align 4
%stackIsNil = icmp eq ptr %7, null
br i1 %stackIsNil, label %rundefers.end, label %rundefers.loop
rundefers.loop: ; preds = %rundefers.loophead
%stack.next.gep = getelementptr inbounds nuw i8, ptr %7, i32 4
%stack.next = load ptr, ptr %stack.next.gep, align 4
store ptr %stack.next, ptr %deferPtr, align 4
%callback = load i32, ptr %7, align 4
switch i32 %callback, label %rundefers.default [
i32 0, label %rundefers.callback0
]
rundefers.callback0: ; preds = %rundefers.loop
%gep = getelementptr inbounds nuw i8, ptr %7, i32 8
%param = load i32, ptr %gep, align 4
call void @runtime.printlock(ptr undef) #4
call void @runtime.printint32(i32 %param, ptr undef) #4
call void @runtime.printunlock(ptr undef) #4
br label %rundefers.loophead
rundefers.default: ; preds = %rundefers.loop
unreachable
rundefers.end: ; preds = %rundefers.loophead
br label %rundefers.after
recover: ; preds = %rundefers.end4
ret void
lpad: ; No predecessors!
br label %rundefers.loophead7
rundefers.loophead7: ; preds = %rundefers.callback013, %lpad
br i1 poison, label %rundefers.end4, label %rundefers.loop6
rundefers.loop6: ; preds = %rundefers.loophead7
switch i32 poison, label %rundefers.default5 [
i32 0, label %rundefers.callback013
]
rundefers.callback013: ; preds = %rundefers.loop6
br label %rundefers.loophead7
rundefers.default5: ; preds = %rundefers.loop6
unreachable
rundefers.end4: ; preds = %rundefers.loophead7
br label %recover
}
attributes #0 = { nounwind "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
attributes #1 = { "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
attributes #2 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+armv7-m,+hwdiv,+soft-float,+thumb-mode,-aes,-bf16,-cdecp0,-cdecp1,-cdecp2,-cdecp3,-cdecp4,-cdecp5,-cdecp6,-cdecp7,-crc,-crypto,-d32,-dotprod,-dsp,-fp-armv8,-fp-armv8d16,-fp-armv8d16sp,-fp-armv8sp,-fp16,-fp16fml,-fp64,-fpregs,-fullfp16,-hwdiv-arm,-i8mm,-lob,-mve,-mve.fp,-neon,-pacbti,-ras,-sb,-sha2,-vfp2,-vfp2sp,-vfp3,-vfp3d16,-vfp3d16sp,-vfp3sp,-vfp4,-vfp4d16,-vfp4d16sp,-vfp4sp" }
attributes #4 = { nounwind }
attributes #5 = { nounwind returns_twice }
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