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36 lines
1.3 KiB
LLVM
36 lines
1.3 KiB
LLVM
; RUN: llc < %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
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target triple = "thumbv6t2-elf"
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%struct.dwarf_cie = type <{ i32, i32, i8, [0 x i8], [3 x i8] }>
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declare i8* @read_sleb128(i8*, i32* nocapture) nounwind
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define i32 @get_cie_encoding(%struct.dwarf_cie* %cie) nounwind {
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entry:
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br i1 undef, label %bb1, label %bb13
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bb1: ; preds = %entry
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%tmp38 = add i32 undef, 10 ; <i32> [#uses=1]
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br label %bb.i
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bb.i: ; preds = %bb.i, %bb1
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%indvar.i = phi i32 [ 0, %bb1 ], [ %2, %bb.i ] ; <i32> [#uses=3]
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%tmp39 = add i32 %indvar.i, %tmp38 ; <i32> [#uses=1]
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%p_addr.0.i = getelementptr i8* undef, i32 %tmp39 ; <i8*> [#uses=1]
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%0 = load i8* %p_addr.0.i, align 1 ; <i8> [#uses=1]
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%1 = icmp slt i8 %0, 0 ; <i1> [#uses=1]
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%2 = add i32 %indvar.i, 1 ; <i32> [#uses=1]
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br i1 %1, label %bb.i, label %read_uleb128.exit
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read_uleb128.exit: ; preds = %bb.i
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%.sum40 = add i32 %indvar.i, undef ; <i32> [#uses=1]
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%.sum31 = add i32 %.sum40, 2 ; <i32> [#uses=1]
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%scevgep.i = getelementptr %struct.dwarf_cie* %cie, i32 0, i32 3, i32 %.sum31 ; <i8*> [#uses=1]
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%3 = call i8* @read_sleb128(i8* %scevgep.i, i32* undef) ; <i8*> [#uses=0]
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unreachable
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bb13: ; preds = %entry
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ret i32 0
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}
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