llvm-6502/test/Transforms/Inline/invoke_test-2.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

31 lines
848 B
LLVM

; Test that if an invoked function is inlined, and if that function cannot
; throw, that the dead handler is now unreachable.
; RUN: opt < %s -inline -simplifycfg -S | \
; RUN: not grep UnreachableExceptionHandler
declare void @might_throw()
define internal i32 @callee() {
invoke void @might_throw( )
to label %cont unwind label %exc
cont: ; preds = %0
ret i32 0
exc: ; preds = %0
ret i32 1
}
; caller returns true if might_throw throws an exception... callee cannot throw.
define i32 @caller() {
%X = invoke i32 @callee( )
to label %cont unwind label %UnreachableExceptionHandler ; <i32> [#uses=1]
cont: ; preds = %0
ret i32 %X
UnreachableExceptionHandler: ; preds = %0
ret i32 -1
}