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Differential D39775 Diff 122017 llvm/test/Instrumentation/AddressSanitizer/scale-offset.ll

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llvm/test/Instrumentation/AddressSanitizer/scale-offset.ll

; Test that the scale (-asan-mapping-scale) and offset (-asan-mapping-offset) command-line options work as expected ; Test that the scale (-asan-mapping-scale) and offset (-asan-mapping-offset) command-line options work as expected
; ;
; RUN: opt < %s -asan -asan-module -asan-mapping-offset 0xdeadbeef -S | FileCheck --check-prefix=CHECK-OFFSET %s ; RUN: %opt_asan < %s -asan -asan-module -asan-mapping-offset 0xdeadbeef -S | FileCheck --check-prefixes=CHECK-OFFSET,CHECK-OFFSET-S%scale %s
; RUN: opt < %s -asan -asan-module -asan-mapping-scale 1 -S | FileCheck --check-prefix=CHECK-SCALE %s ; RUN: opt < %s -asan -asan-module -asan-mapping-scale 1 -S | FileCheck --check-prefix=CHECK-SCALE %s
; RUN: opt < %s -asan -asan-module -asan-mapping-offset 0xc0ffee -asan-mapping-scale 0 -S | FileCheck --check-prefix=CHECK-BOTH %s ; RUN: opt < %s -asan -asan-module -asan-mapping-offset 0xc0ffee -asan-mapping-scale 0 -S | FileCheck --check-prefix=CHECK-BOTH %s
target triple = "x86_64-unknown-linux-gnu" target triple = "x86_64-unknown-linux-gnu"
define i32 @read_offset(i32* %a) sanitize_address { define i32 @read_offset(i32* %a) sanitize_address {
entry: entry:
%tmp1 = load i32, i32* %a, align 4 %tmp1 = load i32, i32* %a, align 4
ret i32 %tmp1 ret i32 %tmp1
} }
; CHECK-OFFSET-LABEL: @read_offset ; CHECK-OFFSET-LABEL: @read_offset
; CHECK-OFFSET-NOT: ret ; CHECK-OFFSET-NOT: ret
; CHECK-OFFSET: lshr {{.*}} 3 ; CHECK-OFFSET-S3: lshr {{.*}} 3
; CHECK-OFFSET-S5: lshr {{.*}} 5
; CHECK-OFFSET-NEXT: add{{.*}}3735928559 ; CHECK-OFFSET-NEXT: add{{.*}}3735928559
; CHECK-OFFSET: ret ; CHECK-OFFSET: ret
define i32 @read_scale(i32* %a) sanitize_address { define i32 @read_scale(i32* %a) sanitize_address {
entry: entry:
%tmp1 = load i32, i32* %a, align 4 %tmp1 = load i32, i32* %a, align 4
ret i32 %tmp1 ret i32 %tmp1
} }
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