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Add a test case for PR3779: when to promote the function return value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67702 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-03-25 20:30:19 +00:00
parent 3927f438b5
commit e597282fe5
1 changed files with 16 additions and 0 deletions
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16
test/CodeGen/X86/sext-ret-val.ll Normal file
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@ -0,0 +1,16 @@
; RUN: llvm-as < %s | llc -march=x86 | grep movzbl | count 1
; rdar://6699246
define signext i8 @t1(i8* %A) nounwind readnone ssp {
entry:
%0 = icmp ne i8* %A, null
%1 = zext i1 %0 to i8
ret i8 %1
}
define i8 @t2(i8* %A) nounwind readnone ssp {
entry:
%0 = icmp ne i8* %A, null
%1 = zext i1 %0 to i8
ret i8 %1
}