forked from OSchip/llvm-project
57 lines
2.0 KiB
LLVM
57 lines
2.0 KiB
LLVM
; 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
|
|
}
|