1; RUN: opt < %s -passes=gvn 2; PR7052 3 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-unknown-linux-gnu" 6 7define i32 @main(i32 %argc, ptr nocapture %argv) personality ptr @__gxx_personality_v0 { 8entry: 9 %0 = getelementptr inbounds i8, ptr undef, i64 5 ; <ptr> [#uses=1] 10 store i32 undef, ptr %0, align 1 11 br i1 undef, label %k121.i.i, label %l117.i.i 12 13l117.i.i: ; preds = %entry 14 invoke fastcc void @foo() 15 to label %.noexc5 unwind label %landing_pad 16 17.noexc5: ; preds = %l117.i.i 18 unreachable 19 20k121.i.i: ; preds = %entry 21 br i1 undef, label %l129.i.i, label %k133.i.i 22 23l129.i.i: ; preds = %k121.i.i 24 invoke fastcc void @foo() 25 to label %.noexc7 unwind label %landing_pad 26 27.noexc7: ; preds = %l129.i.i 28 unreachable 29 30k133.i.i: ; preds = %k121.i.i 31 %1 = getelementptr i8, ptr undef, i64 5 ; <ptr> [#uses=1] 32 %2 = load i1, ptr %1 ; <i1> [#uses=1] 33 br i1 %2, label %k151.i.i, label %l147.i.i 34 35l147.i.i: ; preds = %k133.i.i 36 invoke fastcc void @foo() 37 to label %.noexc10 unwind label %landing_pad 38 39.noexc10: ; preds = %l147.i.i 40 unreachable 41 42k151.i.i: ; preds = %k133.i.i 43 ret i32 0 44 45landing_pad: ; preds = %l147.i.i, %l129.i.i, %l117.i.i 46 %exn = landingpad {ptr, i32} 47 cleanup 48 switch i32 undef, label %fin [ 49 i32 1, label %catch1 50 i32 2, label %catch 51 ] 52 53fin: ; preds = %landing_pad 54 unreachable 55 56catch: ; preds = %landing_pad 57 ret i32 1 58 59catch1: ; preds = %landing_pad 60 ret i32 2 61} 62 63declare fastcc void @foo() 64 65declare i32 @__gxx_personality_v0(...) 66