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| ; RUN: opt < %s -bounds-checking -S | FileCheck %s
@array = internal global [1819 x i16] zeroinitializer, section ".bss,bss"
@offsets = external dso_local global [10 x i16]
; CHECK-LABEL: @test
define dso_local void @test() {
bb1:
br label %bb19
bb20:
%_tmp819 = load i16, i16* null
; CHECK: br {{.*}} %trap
%_tmp820 = sub nsw i16 9, %_tmp819
%_tmp821 = sext i16 %_tmp820 to i64
%_tmp822 = getelementptr [10 x i16], [10 x i16]* @offsets, i16 0, i64 %_tmp821
%_tmp823 = load i16, i16* %_tmp822
br label %bb33
bb34:
%_tmp907 = zext i16 %i__7.107.0 to i64
%_tmp908 = getelementptr [1819 x i16], [1819 x i16]* @array, i16 0, i64 %_tmp907
store i16 0, i16* %_tmp908
; CHECK: br {{.*}} %trap
%_tmp910 = add i16 %i__7.107.0, 1
br label %bb33
bb33:
%i__7.107.0 = phi i16 [ undef, %bb20 ], [ %_tmp910, %bb34 ]
%_tmp913 = add i16 %_tmp823, 191
%_tmp914 = icmp ult i16 %i__7.107.0, %_tmp913
br i1 %_tmp914, label %bb34, label %bb19
bb19:
%_tmp976 = icmp slt i16 0, 10
br i1 %_tmp976, label %bb20, label %bb39
bb39:
ret void
}
@e = dso_local local_unnamed_addr global [1 x i16] zeroinitializer, align 1
; CHECK-LABEL: @test2
define dso_local void @test2() local_unnamed_addr {
entry:
br label %while.cond1.preheader
while.cond1.preheader:
%0 = phi i16 [ undef, %entry ], [ %inc, %while.end ]
%1 = load i16, i16* undef, align 1
; CHECK: br {{.*}} %trap
br label %while.end
while.end:
%inc = add nsw i16 %0, 1
%arrayidx = getelementptr inbounds [1 x i16], [1 x i16]* @e, i16 0, i16
%0
%2 = load i16, i16* %arrayidx, align 1
; CHECK: or i1
; CHECK-NEXT: br {{.*}} %trap
br i1 false, label %while.end6, label %while.cond1.preheader
while.end6:
ret void
}
|