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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / a24946acb21bffc40e9054f7ac25eb9319b406d8 / . / test / Analysis / BasicAA / 2005-03-09-BrokenBasicAA.ll
blob: ed89cb56cfffe525b2b2211d44af847ea3c3ca22 [file] [log] [blame]
Dan Gohman1b4c27772009-09-08 16:50:01 +0000[diff] [blame]1; RUN: opt %s -basicaa -gvn -instcombine |\
Tanya Lattnera695f012008-02-14 06:56:27 +0000[diff] [blame]2; RUN: llvm-dis | grep {load i32\\* %A}
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]3
Tanya Lattnera695f012008-02-14 06:56:27 +0000[diff] [blame]4declare double* @useit(i32*)
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]5
Tanya Lattnera695f012008-02-14 06:56:27 +0000[diff] [blame]6define i32 @foo(i32 %Amt) {
7 %A = malloc i32, i32 %Amt
8 %P = call double* @useit(i32* %A)
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]9
Tanya Lattnera695f012008-02-14 06:56:27 +0000[diff] [blame]10 %X = load i32* %A
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]11 store double 0.0, double* %P
Tanya Lattnera695f012008-02-14 06:56:27 +0000[diff] [blame]12 %Y = load i32* %A
13 %Z = sub i32 %X, %Y
14 ret i32 %Z
Dan Gohmanf17a25c2007-07-18 16:29:46 +0000[diff] [blame]15}