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70 lines
2.6 KiB
LLVM
70 lines
2.6 KiB
LLVM
; RUN: opt -jump-threading -S %s | FileCheck %s
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; rdar://7620633
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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-n8:16:32:64"
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target triple = "x86_64-apple-darwin11.0"
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define void @test1(i8* %args, i32 %from_tty) nounwind optsize ssp {
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entry:
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%tmp = call i8* @f3(void (i8*)* null, i8* null) nounwind ; <i8*> [#uses=1]
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%tmp1 = icmp eq i8* %args, null ; <i1> [#uses=1]
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br i1 %tmp1, label %bb2, label %bb
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; CHECK: entry:
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; CHECK-NEXT: %tmp = call i8* @f3
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; CHECK-NEXT: %tmp1 = icmp eq i8* %args, null
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; CHECK-NEXT: br i1 %tmp1, label %bb7, label %bb
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bb: ; preds = %entry
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%tmp2 = call noalias i8** @buildargv(i8* %args) nounwind ; <i8**> [#uses=4]
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%tmp3 = icmp eq i8** %tmp2, null ; <i1> [#uses=1]
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br i1 %tmp3, label %bb2, label %bb1
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bb1: ; preds = %bb
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call void @f2(i8** %tmp2) nounwind
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br label %bb2
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bb2: ; preds = %bb1, %bb, %entry
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%argv.0 = phi i8** [ %tmp2, %bb1 ], [ %tmp2, %bb ], [ undef, %entry ] ; <i8**> [#uses=4]
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%tmp5 = icmp eq i8* %args, null ; <i1> [#uses=1]
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%tmp6 = icmp eq i8** %argv.0, null ; <i1> [#uses=1]
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%tmp7 = or i1 %tmp5, %tmp6 ; <i1> [#uses=1]
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br i1 %tmp7, label %bb7, label %bb5
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bb5: ; preds = %bb2
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%tmp8 = load i8** %argv.0, align 8 ; <i8*> [#uses=1]
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%tmp9 = icmp eq i8* %tmp8, null ; <i1> [#uses=1]
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br i1 %tmp9, label %bb7, label %bb6
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bb6: ; preds = %bb5
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%tmp10 = load i8** %argv.0, align 8 ; <i8*> [#uses=1]
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%tmp11 = load i8* %tmp10, align 1 ; <i8> [#uses=1]
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%tmp12 = icmp eq i8 %tmp11, 0 ; <i1> [#uses=1]
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br i1 %tmp12, label %bb7, label %bb8
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bb7: ; preds = %bb6, %bb5, %bb2
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call void @f1() nounwind optsize ssp
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br label %bb9
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bb8: ; preds = %bb6
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%tmp13 = load i8** %argv.0, align 8 ; <i8*> [#uses=1]
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%tmp14 = call i64 @f5(i8* %tmp13) nounwind ; <i64> [#uses=0]
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br label %bb9
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bb9: ; preds = %bb8, %bb7
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call void @f4(i8* %tmp) nounwind
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ret void
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}
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declare noalias i8** @buildargv(i8*)
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declare void @f2(i8**)
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declare void @f4(i8*)
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declare i8* @f3(void (i8*)*, i8*)
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declare void @f1()
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declare i64 @f5(i8*)
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