2010-05-08-OneBit.ll
2.31 KB
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; RUN: opt < %s -gvn
; PR7052
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"
target triple = "x86_64-unknown-linux-gnu"
define i32 @main(i32 %argc, i8** nocapture %argv) personality i32 (...)* @__gxx_personality_v0 {
entry:
%0 = getelementptr inbounds i8, i8* undef, i64 5 ; <i8*> [#uses=1]
%1 = bitcast i8* %0 to i32* ; <i32*> [#uses=1]
store i32 undef, i32* %1, align 1
br i1 undef, label %k121.i.i, label %l117.i.i
l117.i.i: ; preds = %entry
invoke fastcc void @foo()
to label %.noexc5 unwind label %landing_pad
.noexc5: ; preds = %l117.i.i
unreachable
k121.i.i: ; preds = %entry
br i1 undef, label %l129.i.i, label %k133.i.i
l129.i.i: ; preds = %k121.i.i
invoke fastcc void @foo()
to label %.noexc7 unwind label %landing_pad
.noexc7: ; preds = %l129.i.i
unreachable
k133.i.i: ; preds = %k121.i.i
%2 = getelementptr i8, i8* undef, i64 5 ; <i8*> [#uses=1]
%3 = bitcast i8* %2 to i1* ; <i1*> [#uses=1]
%4 = load i1, i1* %3 ; <i1> [#uses=1]
br i1 %4, label %k151.i.i, label %l147.i.i
l147.i.i: ; preds = %k133.i.i
invoke fastcc void @foo()
to label %.noexc10 unwind label %landing_pad
.noexc10: ; preds = %l147.i.i
unreachable
k151.i.i: ; preds = %k133.i.i
ret i32 0
landing_pad: ; preds = %l147.i.i, %l129.i.i, %l117.i.i
%exn = landingpad {i8*, i32}
cleanup
switch i32 undef, label %fin [
i32 1, label %catch1
i32 2, label %catch
]
fin: ; preds = %landing_pad
unreachable
catch: ; preds = %landing_pad
ret i32 1
catch1: ; preds = %landing_pad
ret i32 2
}
declare fastcc void @foo()
declare i32 @__gxx_personality_v0(...)