47211fa889
Needs to be discussed more. This reverts commit 255a5c1baa6020c009934b4fa342f9f6dbbcc46 This reverts commit df2056ff3730316f376f29d9986c9913b95ceb1 This reverts commit faff79b7ca144e505da6bc74aa2b2f7cffbbf23 This reverts commit d2a9020785c6e02afebc876aa2778fa64c5cafd
66 lines
2.1 KiB
LLVM
66 lines
2.1 KiB
LLVM
; Test -sanitizer-coverage-trace-compares=1
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; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S -enable-new-pm=0 | FileCheck %s
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; RUN: opt < %s -passes='module(sancov-module)' -sanitizer-coverage-level=1 -sanitizer-coverage-trace-compares=1 -S | FileCheck %s
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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"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @foo(i32 %a, i32 %b) #0 {
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entry:
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; compare (non-const, non-const)
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%cmp = icmp slt i32 %a, %b
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; CHECK: call void @__sanitizer_cov_trace_cmp4
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; CHECK-NEXT: icmp slt i32 %a, %b
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; compare (const, non-const)
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icmp slt i32 %a, 1
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; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a)
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; CHECK-NEXT: icmp slt i32 %a, 1
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; compare (non-const, const)
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icmp slt i32 1, %a
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; CHECK: call void @__sanitizer_cov_trace_const_cmp4(i32 1, i32 %a)
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; CHECK-NEXT: icmp slt i32 1, %a
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; compare (const, const) - should not be instrumented
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icmp slt i32 1, 0
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; CHECK-NOT: call void @__sanitizer_cov_trace
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; CHECK: icmp slt i32 1, 0
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; compare variables of byte size
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%x = trunc i32 %a to i8
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icmp slt i8 %x, 1
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; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x)
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; CHECK-NEXT: icmp slt i8 %x, 1
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icmp slt i8 1, %x
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; CHECK: call void @__sanitizer_cov_trace_const_cmp1(i8 1, i8 %x)
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; CHECK-NEXT: icmp slt i8 1, %x
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; compare variables of word size
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%y = trunc i32 %a to i16
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icmp slt i16 %y, 1
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; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y)
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; CHECK-NEXT: icmp slt i16 %y, 1
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icmp slt i16 1, %y
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; CHECK: call void @__sanitizer_cov_trace_const_cmp2(i16 1, i16 %y)
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; CHECK-NEXT: icmp slt i16 1, %y
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; compare variables of qword size
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%z = zext i32 %a to i64
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icmp slt i64 %z, 1
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; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z)
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; CHECK-NEXT: icmp slt i64 %z, 1
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icmp slt i64 1, %z
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; CHECK: call void @__sanitizer_cov_trace_const_cmp8(i64 1, i64 %z)
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; CHECK-NEXT: icmp slt i64 1, %z
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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