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a641c07828
they'll be simple enough to simulate, and to reduce the chance we'll encounter equal but different simple pointer constants. This removes the symptoms from PR11352 but is not a full fix. A proper fix would either require a guarantee that two constant objects we simulate are folded when equal, or a different way of handling equal pointers (ie., trying a constantexpr icmp on them to see whether we know they're equal or non-equal or unsure). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151093 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
1.6 KiB
LLVM
52 lines
1.6 KiB
LLVM
; RUN: opt < %s -S -globalopt | 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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@.str91250 = global [3 x i8] zeroinitializer
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; CHECK: @A = global i1 false
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@A = global i1 icmp ne (i64 sub nsw (i64 ptrtoint (i8* getelementptr inbounds ([3 x i8]* @.str91250, i64 0, i64 1) to i64), i64 ptrtoint ([3 x i8]* @.str91250 to i64)), i64 1)
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; PR11352
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@xs = global [2 x i32] zeroinitializer, align 4
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; CHECK: @xs = global [2 x i32] [i32 1, i32 1]
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define internal void @test1() {
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entry:
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store i32 1, i32* getelementptr inbounds ([2 x i32]* @xs, i64 0, i64 0)
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%0 = load i32* getelementptr inbounds ([2 x i32]* @xs, i32 0, i64 0), align 4
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store i32 %0, i32* getelementptr inbounds ([2 x i32]* @xs, i64 0, i64 1)
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ret void
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}
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; PR12060
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%closure = type { i32 }
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@f = internal global %closure zeroinitializer, align 4
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@m = global i32 0, align 4
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; CHECK-NOT: @f
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; CHECK: @m = global i32 13
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define internal i32 @test2_helper(%closure* %this, i32 %b) {
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entry:
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%0 = getelementptr inbounds %closure* %this, i32 0, i32 0
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%1 = load i32* %0, align 4
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%add = add nsw i32 %1, %b
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ret i32 %add
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}
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define internal void @test2() {
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entry:
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store i32 4, i32* getelementptr inbounds (%closure* @f, i32 0, i32 0)
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%call = call i32 @test2_helper(%closure* @f, i32 9)
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store i32 %call, i32* @m, align 4
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ret void
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}
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@llvm.global_ctors = appending constant
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[2 x { i32, void ()* }]
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[{ i32, void ()* } { i32 65535, void ()* @test1 },
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{ i32, void ()* } { i32 65535, void ()* @test2 }]
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