47 lines
1.7 KiB
LLVM
47 lines
1.7 KiB
LLVM
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; RUN: llc < %s -O0 -relocation-model=pic -mtriple=thumbv7-apple-ios | FileCheck %s
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; <rdar://problem/12529625>
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@foo = global i32 34879, align 4
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@DWJumpTable2808 = global [2 x i32] [i32 sub (i32 ptrtoint (i8* blockaddress(@func, %14) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32)), i32 sub (i32 ptrtoint (i8* blockaddress(@func, %13) to i32), i32 ptrtoint (i8* blockaddress(@func, %4) to i32))]
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@0 = internal constant [45 x i8] c"func XXXXXXXXXXX :: bb xxxxxxxxxxxxxxxxxxxx\0A\00"
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; The indirect branch has the two destinations as successors. The lone PHI
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; statement shouldn't be implicitly defined.
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; CHECK-LABEL: func:
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; CHECK: Ltmp1: @ Block address taken
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; CHECK-NOT: @ implicit-def: R0
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; CHECK: @ 4-byte Reload
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define i32 @func() nounwind ssp {
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%1 = alloca i32, align 4
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%2 = load i32, i32* @foo, align 4
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%3 = icmp eq i32 %2, 34879
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br label %4
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; <label>:4 ; preds = %0
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%5 = zext i1 %3 to i32
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%6 = mul i32 %5, 287
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%7 = add i32 %6, 2
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%8 = getelementptr [2 x i32], [2 x i32]* @DWJumpTable2808, i32 0, i32 %5
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%9 = load i32, i32* %8
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%10 = add i32 %9, ptrtoint (i8* blockaddress(@func, %4) to i32)
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%11 = inttoptr i32 %10 to i8*
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%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([45 x i8], [45 x i8]* @0, i32 0, i32 0))
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indirectbr i8* %11, [label %13, label %14]
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; <label>:13 ; preds = %4
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%tmp14 = phi i32 [ %7, %4 ]
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store i32 23958, i32* @foo, align 4
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%tmp15 = load i32, i32* %1, align 4
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%tmp16 = icmp eq i32 %tmp15, 0
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%tmp17 = zext i1 %tmp16 to i32
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%tmp21 = add i32 %tmp17, %tmp14
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ret i32 %tmp21
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; <label>:14 ; preds = %4
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ret i32 42
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}
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declare i32 @printf(i8*, ...)
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