30 lines
906 B
LLVM
30 lines
906 B
LLVM
; RUN: opt < %s -asan -asan-module -S \
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; RUN: -mtriple=i386-unknown-freebsd \
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; RUN: -default-data-layout="e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" | \
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; RUN: FileCheck --check-prefix=CHECK-32 %s
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; RUN: opt < %s -asan -asan-module -S \
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; RUN: -mtriple=x86_64-unknown-freebsd \
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; RUN: -default-data-layout="e-m:e-i64:64-f80:128-n8:16:32:64-S128" | \
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; RUN: FileCheck --check-prefix=CHECK-64 %s
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define i32 @read_4_bytes(i32* %a) sanitize_address {
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entry:
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%tmp1 = load i32, i32* %a, align 4
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ret i32 %tmp1
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}
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; CHECK-32: @read_4_bytes
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; CHECK-32-NOT: ret
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; Check for ASAN's Offset for 32-bit (2^30 or 0x40000000)
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; CHECK-32: lshr {{.*}} 3
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; CHECK-32-NEXT: {{1073741824}}
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; CHECK-32: ret
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; CHECK-64: @read_4_bytes
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; CHECK-64-NOT: ret
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; Check for ASAN's Offset for 64-bit (2^46 or 0x400000000000)
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; CHECK-64: lshr {{.*}} 3
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; CHECK-64-NEXT: {{70368744177664}}
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; CHECK-64: ret
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