llvm/test/Transforms/SCCP/ipsccp-addr-taken.ll
Chris Lattner 1522ce9770 fix PR7876: If ipsccp decides that a function's address is taken
before it rewrites the code, we need to use that in the post-rewrite pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12 22:25:23 +00:00

29 lines
815 B
LLVM

; RUN: opt %s -ipsccp -S | FileCheck %s
; PR7876
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin10.0.0"
define internal i32 @foo() nounwind noinline ssp {
entry:
ret i32 0
; CHECK: @foo
; CHECK: entry:
; CHECK: ret i32 0
}
declare i32 @bar()
define internal i32 @test(i32 %c) nounwind noinline ssp {
bb:
%tmp1 = icmp ne i32 %c, 0 ; <i1> [#uses=1]
%tmp2 = select i1 %tmp1, i32 ()* @foo, i32 ()* @bar ; <i32 ()*> [#uses=1]
%tmp3 = tail call i32 %tmp2() nounwind ; <i32> [#uses=1]
ret i32 %tmp3
}
define i32 @main() nounwind ssp {
bb:
%tmp = tail call i32 @test(i32 1) ; <i32> [#uses=1]
ret i32 %tmp
}