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Add testcase for r132290, to check for the crasher caught by the buildbots

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doing llvm-gcc selfhost (or cross).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132292 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-05-29 19:41:14 +00:00
parent 832a9d1a76
commit b45178a7fe
1 changed files with 12 additions and 2 deletions
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14
test/Transforms/GlobalOpt/memset-null.ll
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@ -1,13 +1,12 @@
; RUN: opt -globalopt %s -S -o - | FileCheck %s
; PR10047
%0 = type { i32, void ()* }
%struct.A = type { [100 x i32] }
; CHECK: @a
@a = global %struct.A zeroinitializer, align 4
@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }]
@llvm.global_ctors = appending global [2 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }, %0 { i32 65535, void ()* @_GLOBAL__I_b }]
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
@ -17,3 +16,14 @@ entry:
tail call void @llvm.memset.p0i8.i64(i8* bitcast (%struct.A* @a to i8*), i8 0, i64 400, i32 4, i1 false) nounwind
ret void
}
%struct.X = type { i8 }
@y = global i8* null, align 8
@x = global %struct.X zeroinitializer, align 1
define internal void @_GLOBAL__I_b() nounwind {
entry:
%tmp.i.i.i = load i8** @y, align 8
tail call void @llvm.memset.p0i8.i64(i8* %tmp.i.i.i, i8 0, i64 10, i32 1, i1 false) nounwind
ret void
}