; Test EfficiencySanitizer working set instrumentation without aggressive ; optimization flags. ; ; RUN: opt < %s -esan -esan-working-set -esan-assume-intra-cache-line=0 -S | FileCheck %s ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Intra-cache-line define i8 @aligned1(i8* %a) { entry: %tmp1 = load i8, i8* %a, align 1 ret i8 %tmp1 ; CHECK: @llvm.global_ctors = {{.*}}@esan.module_ctor ; CHECK: %0 = ptrtoint i8* %a to i64 ; CHECK-NEXT: %1 = and i64 %0, 17592186044415 ; CHECK-NEXT: %2 = add i64 %1, 1337006139375616 ; CHECK-NEXT: %3 = lshr i64 %2, 6 ; CHECK-NEXT: %4 = inttoptr i64 %3 to i8* ; CHECK-NEXT: %5 = load i8, i8* %4 ; CHECK-NEXT: %6 = and i8 %5, -127 ; CHECK-NEXT: %7 = icmp ne i8 %6, -127 ; CHECK-NEXT: br i1 %7, label %8, label %11 ; CHECK: %9 = or i8 %5, -127 ; CHECK-NEXT: %10 = inttoptr i64 %3 to i8* ; CHECK-NEXT: store i8 %9, i8* %10 ; CHECK-NEXT: br label %11 ; CHECK: %tmp1 = load i8, i8* %a, align 1 ; CHECK-NEXT: ret i8 %tmp1 } define i16 @aligned2(i16* %a) { entry: %tmp1 = load i16, i16* %a, align 2 ret i16 %tmp1 ; CHECK: %0 = ptrtoint i16* %a to i64 ; CHECK-NEXT: %1 = and i64 %0, 17592186044415 ; CHECK-NEXT: %2 = add i64 %1, 1337006139375616 ; CHECK-NEXT: %3 = lshr i64 %2, 6 ; CHECK-NEXT: %4 = inttoptr i64 %3 to i8* ; CHECK-NEXT: %5 = load i8, i8* %4 ; CHECK-NEXT: %6 = and i8 %5, -127 ; CHECK-NEXT: %7 = icmp ne i8 %6, -127 ; CHECK-NEXT: br i1 %7, label %8, label %11 ; CHECK: %9 = or i8 %5, -127 ; CHECK-NEXT: %10 = inttoptr i64 %3 to i8* ; CHECK-NEXT: store i8 %9, i8* %10 ; CHECK-NEXT: br label %11 ; CHECK: %tmp1 = load i16, i16* %a, align 2 ; CHECK-NEXT: ret i16 %tmp1 } define i32 @aligned4(i32* %a) { entry: %tmp1 = load i32, i32* %a, align 4 ret i32 %tmp1 ; CHECK: %0 = ptrtoint i32* %a to i64 ; CHECK-NEXT: %1 = and i64 %0, 17592186044415 ; CHECK-NEXT: %2 = add i64 %1, 1337006139375616 ; CHECK-NEXT: %3 = lshr i64 %2, 6 ; CHECK-NEXT: %4 = inttoptr i64 %3 to i8* ; CHECK-NEXT: %5 = load i8, i8* %4 ; CHECK-NEXT: %6 = and i8 %5, -127 ; CHECK-NEXT: %7 = icmp ne i8 %6, -127 ; CHECK-NEXT: br i1 %7, label %8, label %11 ; CHECK: %9 = or i8 %5, -127 ; CHECK-NEXT: %10 = inttoptr i64 %3 to i8* ; CHECK-NEXT: store i8 %9, i8* %10 ; CHECK-NEXT: br label %11 ; CHECK: %tmp1 = load i32, i32* %a, align 4 ; CHECK-NEXT: ret i32 %tmp1 } define i64 @aligned8(i64* %a) { entry: %tmp1 = load i64, i64* %a, align 8 ret i64 %tmp1 ; CHECK: %0 = ptrtoint i64* %a to i64 ; CHECK-NEXT: %1 = and i64 %0, 17592186044415 ; CHECK-NEXT: %2 = add i64 %1, 1337006139375616 ; CHECK-NEXT: %3 = lshr i64 %2, 6 ; CHECK-NEXT: %4 = inttoptr i64 %3 to i8* ; CHECK-NEXT: %5 = load i8, i8* %4 ; CHECK-NEXT: %6 = and i8 %5, -127 ; CHECK-NEXT: %7 = icmp ne i8 %6, -127 ; CHECK-NEXT: br i1 %7, label %8, label %11 ; CHECK: %9 = or i8 %5, -127 ; CHECK-NEXT: %10 = inttoptr i64 %3 to i8* ; CHECK-NEXT: store i8 %9, i8* %10 ; CHECK-NEXT: br label %11 ; CHECK: %tmp1 = load i64, i64* %a, align 8 ; CHECK-NEXT: ret i64 %tmp1 } ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; Not guaranteed to be intra-cache-line define i16 @unaligned2(i16* %a) { entry: %tmp1 = load i16, i16* %a, align 1 ret i16 %tmp1 ; CHECK: %0 = bitcast i16* %a to i8* ; CHECK-NEXT: call void @__esan_unaligned_load2(i8* %0) ; CHECK-NEXT: %tmp1 = load i16, i16* %a, align 1 ; CHECK-NEXT: ret i16 %tmp1 } define i32 @unaligned4(i32* %a) { entry: %tmp1 = load i32, i32* %a, align 2 ret i32 %tmp1 ; CHECK: %0 = bitcast i32* %a to i8* ; CHECK-NEXT: call void @__esan_unaligned_load4(i8* %0) ; CHECK-NEXT: %tmp1 = load i32, i32* %a, align 2 ; CHECK-NEXT: ret i32 %tmp1 } define i64 @unaligned8(i64* %a) { entry: %tmp1 = load i64, i64* %a, align 4 ret i64 %tmp1 ; CHECK: %0 = bitcast i64* %a to i8* ; CHECK-NEXT: call void @__esan_unaligned_load8(i8* %0) ; CHECK-NEXT: %tmp1 = load i64, i64* %a, align 4 ; CHECK-NEXT: ret i64 %tmp1 }