1; Test -sanitizer-coverage-trace-compares=1 2; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s 3 4target 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" 5target triple = "x86_64-unknown-linux-gnu" 6define i32 @foo(i32 %a, i32 %b) #0 { 7entry: 8 9; compare (non-const, non-const) 10 %cmp = icmp slt i32 %a, %b 11; CHECK: call void @__sanitizer_cov_trace_cmp4 12; CHECK-NEXT: icmp slt i32 %a, %b 13 14; compare (const, non-const) 15 icmp slt i32 %a, 1 16; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a) 17; CHECK-NEXT: icmp slt i32 %a, 1 18 19; compare (non-const, const) 20 icmp slt i32 1, %a 21; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a) 22; CHECK-NEXT: icmp slt i32 1, %a 23 24; compare (const, const) - should not be instrumented 25 icmp slt i32 1, 0 26; CHECK-NOT: call void @__sanitizer_cov_trace 27; CHECK icmp slt i32 1, 0 28 29; compare variables of byte size 30 %x = trunc i32 %a to i8 31 32 icmp slt i8 %x, 1 33; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x) 34; CHECK-NEXT: icmp slt i8 %x, 1 35 36 icmp slt i8 1, %x 37; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x) 38; CHECK-NEXT: icmp slt i8 1, %x 39 40; compare variables of word size 41 %y = trunc i32 %a to i16 42 43 icmp slt i16 %y, 1 44; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y) 45; CHECK-NEXT: icmp slt i16 %y, 1 46 47 icmp slt i16 1, %y 48; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y) 49; CHECK-NEXT: icmp slt i16 1, %y 50 51; compare variables of qword size 52 %z = zext i32 %a to i64 53 54 icmp slt i64 %z, 1 55; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z) 56; CHECK-NEXT: icmp slt i64 %z, 1 57 58 icmp slt i64 1, %z 59; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z) 60; CHECK-NEXT: icmp slt i64 1, %z 61 62 %conv = zext i1 %cmp to i32 63 ret i32 %conv 64} 65