forked from OSchip/llvm-project
65 lines
1.9 KiB
LLVM
65 lines
1.9 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 | 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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