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TheRock/compiler/amd-llvm/llvm/test/tools/llubi/stack_overflow.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

119 lines
5.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llubi_test_checks.py UTC_ARGS: --version 6
; RUN: not llubi --verbose --max-stack-depth 10 < %s 2>&1 | FileCheck %s
define i32 @fib(i32 %n) {
entry:
%cmp = icmp ugt i32 %n, 1
br i1 %cmp, label %if.then, label %if.else
if.then:
%sub1 = sub i32 %n, 1
%sub2 = sub i32 %n, 2
%call1 = call i32 @fib(i32 %sub1)
%call2 = call i32 @fib(i32 %sub2)
%add = add i32 %call1, %call2
ret i32 %add
if.else:
ret i32 1
}
define void @main() {
entry:
%res1 = call i32 @fib(i32 2)
%res2 = call i32 @fib(i32 50)
ret void
}
; CHECK: Entering function: main
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 2
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 1
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 0
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 1
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => F
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.else
; CHECK-NEXT: ret i32 1
; CHECK-NEXT: Exiting function: fib
; CHECK-NEXT: %call1 = call i32 @fib(i32 %sub1) => i32 1
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 0
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => F
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.else
; CHECK-NEXT: ret i32 1
; CHECK-NEXT: Exiting function: fib
; CHECK-NEXT: %call2 = call i32 @fib(i32 %sub2) => i32 1
; CHECK-NEXT: %add = add i32 %call1, %call2 => i32 2
; CHECK-NEXT: ret i32 %add
; CHECK-NEXT: Exiting function: fib
; CHECK-NEXT: %res1 = call i32 @fib(i32 2) => i32 2
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 50
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 49
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 48
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 49
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 48
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 47
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 48
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 47
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 46
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 47
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 46
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 45
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 46
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 45
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 44
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 45
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 44
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 43
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 44
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 43
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 42
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 43
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 42
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 41
; CHECK-NEXT: Entering function: fib
; CHECK-NEXT: i32 %n = i32 42
; CHECK-NEXT: %cmp = icmp ugt i32 %n, 1 => T
; CHECK-NEXT: br i1 %cmp, label %if.then, label %if.else jump to %if.then
; CHECK-NEXT: %sub1 = sub i32 %n, 1 => i32 41
; CHECK-NEXT: %sub2 = sub i32 %n, 2 => i32 40
; CHECK-NEXT: Stacktrace:
; CHECK-NEXT: #0 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #1 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #2 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #3 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #4 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #5 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #6 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #7 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #8 %call1 = call i32 @fib(i32 %sub1) at @fib <stdin>:12
; CHECK-NEXT: #9 %res2 = call i32 @fib(i32 50) at @main <stdin>:24
; CHECK-NEXT: Error: Maximum stack depth exceeded.
; CHECK-NEXT: error: Execution of function 'main' failed.