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1; RUN: opt -passes=jump-threading -S < %s | FileCheck %s2; rdar://76206333 4target 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"5target triple = "x86_64-apple-darwin11.0"6 7define void @test1(ptr %args, i32 %from_tty) nounwind optsize ssp {8entry:9 %tmp = call ptr @f3(ptr null, ptr null) nounwind ; <ptr> [#uses=1]10 %tmp1 = icmp eq ptr %args, null ; <i1> [#uses=1]11 br i1 %tmp1, label %bb2, label %bb12 13; CHECK: entry:14; CHECK-NEXT: %tmp = call ptr @f315; CHECK-NEXT: %tmp1 = icmp eq ptr %args, null16; CHECK-NEXT: br i1 %tmp1, label %bb7, label %bb17 18bb: ; preds = %entry19 %tmp2 = call noalias ptr @buildargv(ptr %args) nounwind ; <ptr> [#uses=4]20 %tmp3 = icmp eq ptr %tmp2, null ; <i1> [#uses=1]21 br i1 %tmp3, label %bb2, label %bb122 23bb1: ; preds = %bb24 call void @f2(ptr %tmp2) nounwind25 br label %bb226 27bb2: ; preds = %bb1, %bb, %entry28 %argv.0 = phi ptr [ %tmp2, %bb1 ], [ %tmp2, %bb ], [ undef, %entry ] ; <ptr> [#uses=4]29 %tmp5 = icmp eq ptr %args, null ; <i1> [#uses=1]30 %tmp6 = icmp eq ptr %argv.0, null ; <i1> [#uses=1]31 %tmp7 = or i1 %tmp5, %tmp6 ; <i1> [#uses=1]32 br i1 %tmp7, label %bb7, label %bb533 34bb5: ; preds = %bb235 %tmp8 = load ptr, ptr %argv.0, align 8 ; <ptr> [#uses=1]36 %tmp9 = icmp eq ptr %tmp8, null ; <i1> [#uses=1]37 br i1 %tmp9, label %bb7, label %bb638 39bb6: ; preds = %bb540 %tmp10 = load ptr, ptr %argv.0, align 8 ; <ptr> [#uses=1]41 %tmp11 = load i8, ptr %tmp10, align 1 ; <i8> [#uses=1]42 %tmp12 = icmp eq i8 %tmp11, 0 ; <i1> [#uses=1]43 br i1 %tmp12, label %bb7, label %bb844 45bb7: ; preds = %bb6, %bb5, %bb246 call void @f1() nounwind optsize ssp47 br label %bb948 49bb8: ; preds = %bb650 %tmp13 = load ptr, ptr %argv.0, align 8 ; <ptr> [#uses=1]51 %tmp14 = call i64 @f5(ptr %tmp13) nounwind ; <i64> [#uses=0]52 br label %bb953 54bb9: ; preds = %bb8, %bb755 call void @f4(ptr %tmp) nounwind56 ret void57}58 59declare noalias ptr @buildargv(ptr)60 61declare void @f2(ptr)62 63declare void @f4(ptr)64 65declare ptr @f3(ptr, ptr)66 67declare void @f1()68 69declare i64 @f5(ptr)70