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Make sure the SCC pass manager initializes any contained function pass managers. Without this, simplify-libcalls would add nocapture attributes when run on its own, but not when run as part of -std-compile-opts or similar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64443 91177308-0d34-0410-b5e6-96231b3b80d8
14 lines
426 B
LLVM
14 lines
426 B
LLVM
; RUN: llvm-as < %s | opt -inline -simplify-libcalls -functionattrs | \
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; RUN: llvm-dis | grep nocapture | count 2
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; Check that nocapture attributes are added when run after an SCC pass.
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; PR3520
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define i32 @use(i8* %x) nounwind readonly {
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entry:
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%0 = tail call i64 @strlen(i8* %x) nounwind readonly ; <i64> [#uses=1]
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%1 = trunc i64 %0 to i32 ; <i32> [#uses=1]
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ret i32 %1
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}
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declare i64 @strlen(i8*) nounwind readonly
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