| ; RUN: llvm-as %s -f -o %t1.bc |
| ; RUN: %klee -disable-opt %t1.bc > %t2 |
| ; RUN: grep PASS %t2 |
| |
| 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" |
| |
| declare {i8, i1} @llvm.uadd.with.overflow.i8(i8 %a, i8 %b) |
| |
| declare i32 @puts(i8*) |
| |
| @.passstr = private constant [5 x i8] c"PASS\00", align 1 |
| @.failstr = private constant [5 x i8] c"FAIL\00", align 1 |
| |
| define i32 @main() { |
| bb0: |
| %s0 = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 0, i8 -1) |
| %v0 = extractvalue {i8, i1} %s0, 0 |
| %c0 = icmp eq i8 %v0, -1 |
| br i1 %c0, label %bb0_1, label %bbfalse |
| |
| bb0_1: |
| %o0 = extractvalue {i8, i1} %s0, 1 |
| br i1 %o0, label %bbfalse, label %bb1 |
| |
| bb1: |
| %s1 = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 1, i8 -1) |
| %v1 = extractvalue {i8, i1} %s1, 0 |
| %c1 = icmp eq i8 %v1, 0 |
| br i1 %c1, label %bb1_1, label %bbfalse |
| |
| bb1_1: |
| %o1 = extractvalue {i8, i1} %s1, 1 |
| br i1 %o1, label %bbtrue, label %bbfalse |
| |
| bbtrue: |
| %0 = call i32 @puts(i8* getelementptr inbounds ([5 x i8]* @.passstr, i64 0, i64 0)) nounwind |
| ret i32 0 |
| |
| bbfalse: |
| %1 = call i32 @puts(i8* getelementptr inbounds ([5 x i8]* @.failstr, i64 0, i64 0)) nounwind |
| ret i32 0 |
| } |
