| ; RUN: opt < %s -passes=dfsan -S | FileCheck %s |
| 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-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define <4 x i4> @pass_vector(<4 x i4> %v) { |
| ; CHECK-LABEL: @pass_vector.dfsan |
| ; CHECK-NEXT: %[[#REG:]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN:2]] |
| ; CHECK-NEXT: store i8 %[[#REG]], ptr @__dfsan_retval_tls, align [[ALIGN]] |
| ; CHECK-NEXT: ret <4 x i4> %v |
| ret <4 x i4> %v |
| } |
| |
| define void @load_update_store_vector(ptr %p) { |
| ; CHECK-LABEL: @load_update_store_vector.dfsan |
| ; CHECK: {{.*}} = load i8, ptr @__dfsan_arg_tls, align 2 |
| |
| %v = load <4 x i4>, ptr %p |
| %e2 = extractelement <4 x i4> %v, i32 2 |
| %v1 = insertelement <4 x i4> %v, i4 %e2, i32 0 |
| store <4 x i4> %v1, ptr %p |
| ret void |
| } |
| |
| define <4 x i1> @icmp_vector(<4 x i8> %a, <4 x i8> %b) { |
| ; CHECK-LABEL: @icmp_vector.dfsan |
| ; CHECK-NEXT: %[[B:.*]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN:2]] |
| ; CHECK-NEXT: %[[A:.*]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] |
| ; CHECK: %[[L:.*]] = or i8 %[[A]], %[[B]] |
| |
| ; CHECK: %r = icmp eq <4 x i8> %a, %b |
| ; CHECK: store i8 %[[L]], ptr @__dfsan_retval_tls, align [[ALIGN]] |
| ; CHECK: ret <4 x i1> %r |
| |
| %r = icmp eq <4 x i8> %a, %b |
| ret <4 x i1> %r |
| } |
| |
| define <2 x i32> @const_vector() { |
| ; CHECK-LABEL: @const_vector.dfsan |
| ; CHECK-NEXT: store i8 0, ptr @__dfsan_retval_tls, align 2 |
| ; CHECK-NEXT: ret <2 x i32> <i32 42, i32 11> |
| |
| ret <2 x i32> < i32 42, i32 11 > |
| } |
| |
| define <4 x i4> @call_vector(<4 x i4> %v) { |
| ; CHECK-LABEL: @call_vector.dfsan |
| ; CHECK-NEXT: %[[V:.*]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN:2]] |
| ; CHECK-NEXT: store i8 %[[V]], ptr @__dfsan_arg_tls, align [[ALIGN]] |
| ; CHECK-NEXT: %r = call <4 x i4> @pass_vector.dfsan(<4 x i4> %v) |
| ; CHECK-NEXT: %_dfsret = load i8, ptr @__dfsan_retval_tls, align [[ALIGN]] |
| ; CHECK-NEXT: store i8 %_dfsret, ptr @__dfsan_retval_tls, align [[ALIGN]] |
| ; CHECK-NEXT: ret <4 x i4> %r |
| |
| %r = call <4 x i4> @pass_vector(<4 x i4> %v) |
| ret <4 x i4> %r |
| } |