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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
85 lines
3.8 KiB
LLVM
85 lines
3.8 KiB
LLVM
; RUN: opt < %s -pointertracking -analyze | FileCheck %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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@.str = internal constant [5 x i8] c"1234\00" ; <[5 x i8]*> [#uses=1]
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@test1p = global i8* getelementptr ([5 x i8]* @.str, i32 0, i32 0), align 8 ; <i8**> [#uses=1]
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@test1a = global [5 x i8] c"1234\00", align 1 ; <[5 x i8]*> [#uses=1]
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@test2a = global [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5], align 4 ; <[5 x i32]*> [#uses=2]
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@test2p = global i32* getelementptr ([5 x i32]* @test2a, i32 0, i32 0), align 8 ; <i32**> [#uses=1]
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@test0p = common global i32* null, align 8 ; <i32**> [#uses=1]
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@test0i = common global i32 0, align 4 ; <i32*> [#uses=1]
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define i32 @foo0() nounwind {
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entry:
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%tmp = load i32** @test0p ; <i32*> [#uses=1]
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%conv = bitcast i32* %tmp to i8* ; <i8*> [#uses=1]
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%call = tail call i32 @bar(i8* %conv) nounwind ; <i32> [#uses=1]
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%tmp1 = load i8** @test1p ; <i8*> [#uses=1]
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%call2 = tail call i32 @bar(i8* %tmp1) nounwind ; <i32> [#uses=1]
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%call3 = tail call i32 @bar(i8* getelementptr ([5 x i8]* @test1a, i32 0, i32 0)) nounwind ; <i32> [#uses=1]
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%call5 = tail call i32 @bar(i8* bitcast ([5 x i32]* @test2a to i8*)) nounwind ; <i32> [#uses=1]
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%tmp7 = load i32** @test2p ; <i32*> [#uses=1]
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%conv8 = bitcast i32* %tmp7 to i8* ; <i8*> [#uses=1]
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%call9 = tail call i32 @bar(i8* %conv8) nounwind ; <i32> [#uses=1]
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%call11 = tail call i32 @bar(i8* bitcast (i32* @test0i to i8*)) nounwind ; <i32> [#uses=1]
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%add = add i32 %call2, %call ; <i32> [#uses=1]
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%add4 = add i32 %add, %call3 ; <i32> [#uses=1]
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%add6 = add i32 %add4, %call5 ; <i32> [#uses=1]
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%add10 = add i32 %add6, %call9 ; <i32> [#uses=1]
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%add12 = add i32 %add10, %call11 ; <i32> [#uses=1]
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ret i32 %add12
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}
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declare i32 @bar(i8*)
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define i32 @foo1(i32 %n) nounwind {
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entry:
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; CHECK: 'foo1':
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%test4a = alloca [10 x i8], align 1 ; <[10 x i8]*> [#uses=1]
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; CHECK: %test4a =
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; CHECK: ==> 1 elements, 10 bytes allocated
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%test6a = alloca [10 x i32], align 4 ; <[10 x i32]*> [#uses=1]
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; CHECK: %test6a =
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; CHECK: ==> 1 elements, 40 bytes allocated
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%vla = alloca i8, i32 %n, align 1 ; <i8*> [#uses=1]
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; CHECK: %vla =
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; CHECK: ==> %n elements, %n bytes allocated
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%0 = shl i32 %n, 2 ; <i32> [#uses=1]
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%vla7 = alloca i8, i32 %0, align 1 ; <i8*> [#uses=1]
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; CHECK: %vla7 =
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; CHECK: ==> (4 * %n) elements, (4 * %n) bytes allocated
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%call = call i32 @bar(i8* %vla) nounwind ; <i32> [#uses=1]
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%arraydecay = getelementptr [10 x i8]* %test4a, i64 0, i64 0 ; <i8*> [#uses=1]
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%call10 = call i32 @bar(i8* %arraydecay) nounwind ; <i32> [#uses=1]
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%call11 = call i32 @bar(i8* %vla7) nounwind ; <i32> [#uses=1]
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%ptrconv14 = bitcast [10 x i32]* %test6a to i8* ; <i8*> [#uses=1]
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%call15 = call i32 @bar(i8* %ptrconv14) nounwind ; <i32> [#uses=1]
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%add = add i32 %call10, %call ; <i32> [#uses=1]
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%add12 = add i32 %add, %call11 ; <i32> [#uses=1]
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%add16 = add i32 %add12, %call15 ; <i32> [#uses=1]
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ret i32 %add16
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}
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define i32 @foo2(i32 %n) nounwind {
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entry:
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%call = malloc i8, i32 %n ; <i8*> [#uses=1]
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; CHECK: %call =
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; CHECK: ==> %n elements, %n bytes allocated
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%call2 = tail call i8* @calloc(i64 2, i64 4) nounwind ; <i8*> [#uses=1]
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; CHECK: %call2 =
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; CHECK: ==> 8 elements, 8 bytes allocated
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%call4 = tail call i8* @realloc(i8* null, i64 16) nounwind ; <i8*> [#uses=1]
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; CHECK: %call4 =
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; CHECK: ==> 16 elements, 16 bytes allocated
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%call6 = tail call i32 @bar(i8* %call) nounwind ; <i32> [#uses=1]
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%call8 = tail call i32 @bar(i8* %call2) nounwind ; <i32> [#uses=1]
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%call10 = tail call i32 @bar(i8* %call4) nounwind ; <i32> [#uses=1]
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%add = add i32 %call8, %call6 ; <i32> [#uses=1]
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%add11 = add i32 %add, %call10 ; <i32> [#uses=1]
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ret i32 %add11
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}
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declare noalias i8* @calloc(i64, i64) nounwind
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declare noalias i8* @realloc(i8* nocapture, i64) nounwind
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