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81 lines
3.0 KiB
LLVM
81 lines
3.0 KiB
LLVM
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; RUN: llc < %s > %t
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; PR6300
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
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target triple = "i386-pc-linux-gnu"
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; When the "154" loops back onto itself, it defines a register after using it.
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; The first value of the register is implicit-def.
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%"struct location_chain_def" = type { %"struct location_chain_def"*, %"struct rtx_def"*, %"struct rtx_def"*, i32 }
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%"struct real_value" = type { i32, [5 x i32] }
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%"struct rtx_def" = type { i16, i8, i8, %"union u" }
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%"union u" = type { %"struct real_value" }
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define i32 @variable_union(i8** nocapture %slot, i8* nocapture %data) nounwind {
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entry:
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br i1 undef, label %"4.thread", label %"3"
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"4.thread": ; preds = %entry
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unreachable
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"3": ; preds = %entry
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br i1 undef, label %"19", label %"20"
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"19": ; preds = %"3"
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unreachable
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"20": ; preds = %"3"
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br i1 undef, label %"56.preheader", label %dv_onepart_p.exit
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dv_onepart_p.exit: ; preds = %"20"
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unreachable
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"56.preheader": ; preds = %"20"
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br label %"56"
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"50": ; preds = %"57"
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br label %"56"
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"56": ; preds = %"50", %"56.preheader"
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br i1 undef, label %"57", label %"58"
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"57": ; preds = %"56"
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br i1 undef, label %"50", label %"58"
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"58": ; preds = %"57", %"56"
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br i1 undef, label %"62", label %"63"
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"62": ; preds = %"58"
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unreachable
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"63": ; preds = %"58"
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br i1 undef, label %"67", label %"66"
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"66": ; preds = %"63"
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br label %"67"
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"67": ; preds = %"66", %"63"
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br label %"68"
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"68": ; preds = %"161", %"67"
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br i1 undef, label %"153", label %"161"
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"153": ; preds = %"68"
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br i1 undef, label %"160", label %bb.nph46
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bb.nph46: ; preds = %"153"
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br label %"154"
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"154": ; preds = %"154", %bb.nph46
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%0 = phi %"struct location_chain_def"** [ undef, %bb.nph46 ], [ %1, %"154" ] ; <%"struct location_chain_def"**> [#uses=1]
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%1 = bitcast i8* undef to %"struct location_chain_def"** ; <%"struct location_chain_def"**> [#uses=1]
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store %"struct location_chain_def"* undef, %"struct location_chain_def"** %0, align 4
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br i1 undef, label %"160", label %"154"
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"160": ; preds = %"154", %"153"
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br label %"161"
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"161": ; preds = %"160", %"68"
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br label %"68"
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}
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