| ; Test -sanitizer-coverage-trace-compares=1 (instrumenting a switch) |
| ; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s |
| |
| 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 void @_Z3bari(i32) |
| define void @foo(i32 %x) { |
| entry: |
| ; CHECK: __sancov_gen_cov_switch_values = internal global [5 x i64] [i64 3, i64 32, i64 1, i64 101, i64 1001] |
| ; CHECK: [[TMP:%[0-9]*]] = zext i32 %x to i64 |
| ; CHECK-NEXT: call void @__sanitizer_cov_trace_switch(i64 [[TMP]], i64* getelementptr inbounds ([5 x i64], [5 x i64]* @__sancov_gen_cov_switch_values, i32 0, i32 0)) |
| switch i32 %x, label %sw.epilog [ |
| i32 1, label %sw.bb |
| i32 1001, label %sw.bb.1 |
| i32 101, label %sw.bb.2 |
| ] |
| |
| sw.bb: ; preds = %entry |
| tail call void @_Z3bari(i32 4) |
| br label %sw.epilog |
| |
| sw.bb.1: ; preds = %entry |
| tail call void @_Z3bari(i32 5) |
| br label %sw.epilog |
| |
| sw.bb.2: ; preds = %entry |
| tail call void @_Z3bari(i32 6) |
| br label %sw.epilog |
| |
| sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb |
| ret void |
| } |
| |
| define void @fooi72(i72 %x) { |
| entry: |
| switch i72 %x, label %sw.epilog [ |
| i72 1, label %sw.bb |
| i72 101, label %sw.bb.1 |
| i72 1001, label %sw.bb.2 |
| ] |
| |
| sw.bb: ; preds = %entry |
| tail call void @_Z3bari(i32 4) |
| br label %sw.epilog |
| |
| sw.bb.1: ; preds = %entry |
| tail call void @_Z3bari(i32 5) |
| br label %sw.epilog |
| |
| sw.bb.2: ; preds = %entry |
| tail call void @_Z3bari(i32 6) |
| br label %sw.epilog |
| |
| sw.epilog: ; preds = %entry, %sw.bb.2, %sw.bb.1, %sw.bb |
| ret void |
| } |
