; Test -sanitizer-coverage-trace-compares=1 ; RUN: opt < %s -passes='module(sancov-module)' -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" define i32 @foo(i32 %a, i32 %b) #0 { entry: ; compare (non-const, non-const) %cmp = icmp slt i32 %a, %b ; CHECK: call void @__sanitizer_cov_trace_cmp4 ; CHECK-NEXT: icmp slt i32 %a, %b ; compare (const, non-const) icmp slt i32 %a, 1 ; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a) ; CHECK-NEXT: icmp slt i32 %a, 1 ; compare (non-const, const) icmp slt i32 1, %a ; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a) ; CHECK-NEXT: icmp slt i32 1, %a ; compare (const, const) - should not be instrumented icmp slt i32 1, 0 ; CHECK-NOT: call void @__sanitizer_cov_trace ; CHECK: icmp slt i32 1, 0 ; compare variables of byte size %x = trunc i32 %a to i8 icmp slt i8 %x, 1 ; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x) ; CHECK-NEXT: icmp slt i8 %x, 1 icmp slt i8 1, %x ; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x) ; CHECK-NEXT: icmp slt i8 1, %x ; compare variables of word size %y = trunc i32 %a to i16 icmp slt i16 %y, 1 ; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y) ; CHECK-NEXT: icmp slt i16 %y, 1 icmp slt i16 1, %y ; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y) ; CHECK-NEXT: icmp slt i16 1, %y ; compare variables of qword size %z = zext i32 %a to i64 icmp slt i64 %z, 1 ; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z) ; CHECK-NEXT: icmp slt i64 %z, 1 icmp slt i64 1, %z ; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z) ; CHECK-NEXT: icmp slt i64 1, %z %conv = zext i1 %cmp to i32 ret i32 %conv }