1; Test that the scale (-asan-mapping-scale) and offset (-asan-mapping-offset) command-line options work as expected 2; 3; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-mapping-offset 0xdeadbeef -S | FileCheck --check-prefix=CHECK-OFFSET %s 4; RUN: opt < %s -passes='asan-pipeline' -asan-mapping-offset 0xdeadbeef -S | FileCheck --check-prefix=CHECK-OFFSET %s 5; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-mapping-scale 1 -S | FileCheck --check-prefix=CHECK-SCALE %s 6; RUN: opt < %s -passes='asan-pipeline' -asan-mapping-scale 1 -S | FileCheck --check-prefix=CHECK-SCALE %s 7; RUN: opt < %s -asan -asan-module -enable-new-pm=0 -asan-mapping-offset 0xc0ffee -asan-mapping-scale 0 -S | FileCheck --check-prefix=CHECK-BOTH %s 8; RUN: opt < %s -passes='asan-pipeline' -asan-mapping-offset 0xc0ffee -asan-mapping-scale 0 -S | FileCheck --check-prefix=CHECK-BOTH %s 9target triple = "x86_64-unknown-linux-gnu" 10 11define i32 @read_offset(i32* %a) sanitize_address { 12entry: 13 %tmp1 = load i32, i32* %a, align 4 14 ret i32 %tmp1 15} 16; CHECK-OFFSET-LABEL: @read_offset 17; CHECK-OFFSET-NOT: ret 18; CHECK-OFFSET: lshr {{.*}} 3 19; CHECK-OFFSET-NEXT: add{{.*}}3735928559 20; CHECK-OFFSET: ret 21 22define i32 @read_scale(i32* %a) sanitize_address { 23entry: 24 %tmp1 = load i32, i32* %a, align 4 25 ret i32 %tmp1 26} 27; CHECK-SCALE-LABEL: @read_scale 28; CHECK-SCALE-NOT: ret 29; CHECK-SCALE: lshr {{.*}} 1 30; CHECK-SCALE-NEXT: add{{.*}} 31; CHECK-SCALE: ret 32 33define i32 @read_both(i32* %a) sanitize_address { 34entry: 35 %tmp1 = load i32, i32* %a, align 4 36 ret i32 %tmp1 37} 38; CHECK-BOTH-LABEL: @read_both 39; CHECK-BOTH-NOT: ret 40; CHECK-BOTH: lshr {{.*}} 0 41; CHECK-BOTH-NEXT: add{{.*}}12648430 42; CHECK-BOTH: ret 43