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testcase for PR1728

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42890 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-10-12 05:29:53 +00:00
parent 886636445d
commit cb324cfc32
1 changed files with 26 additions and 0 deletions
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26
test/Transforms/InstCombine/malloc3.ll Normal file
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {malloc.*struct.foo} | count 2
; PR1728
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin8"
%struct.foo = type { %struct.foo*, [10 x i32] }
@.str = internal constant [21 x i8] c"tmp = %p, next = %p\0A\00" ; <[21 x i8]*> [#uses=1]
define i32 @main() {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp1 = malloc i8, i32 44 ; <i8*> [#uses=1]
%tmp12 = bitcast i8* %tmp1 to %struct.foo* ; <%struct.foo*> [#uses=3]
%tmp3 = malloc i8, i32 44 ; <i8*> [#uses=1]
%tmp34 = bitcast i8* %tmp3 to %struct.foo* ; <%struct.foo*> [#uses=1]
%tmp6 = getelementptr %struct.foo* %tmp12, i32 0, i32 0 ; <%struct.foo**> [#uses=1]
store %struct.foo* %tmp34, %struct.foo** %tmp6, align 4
%tmp8 = getelementptr %struct.foo* %tmp12, i32 0, i32 0 ; <%struct.foo**> [#uses=1]
%tmp9 = load %struct.foo** %tmp8, align 4 ; <%struct.foo*> [#uses=1]
%tmp10 = getelementptr [21 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
%tmp13 = call i32 (i8*, ...)* @printf( i8* %tmp10, %struct.foo* %tmp12, %struct.foo* %tmp9 ) ; <i32> [#uses=0]
ret i32 undef
}
declare i32 @printf(i8*, ...)