| ; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -dfsan -S --dfsan-abilist=%S/Inputs/shadow-args-abilist.txt | FileCheck %s |
| |
| ; REQUIRES: x86-registered-target |
| |
| ; Test that the custom abi marks shadow parameters as zero extended. |
| |
| ; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]] |
| ; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]] |
| |
| define i32 @m() { |
| ; CHECK-LABEL: @m.dfsan |
| ; CHECK: %{{.*}} = call zeroext i16 @__dfsw_dfsan_get_label(i64 signext 56, i[[#SBITS]] zeroext 0, i[[#SBITS]]* %{{.*}}) |
| |
| entry: |
| %call = call zeroext i16 @dfsan_get_label(i64 signext 56) |
| %conv = zext i16 %call to i32 |
| ret i32 %conv |
| } |
| |
| define i32 @k() { |
| ; CHECK-LABEL: @k.dfsan |
| ; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k2(i64 signext 56, i64 signext 67, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]]* %{{.*}}) |
| |
| entry: |
| %call = call zeroext i16 @k2(i64 signext 56, i64 signext 67) |
| %conv = zext i16 %call to i32 |
| ret i32 %conv |
| } |
| |
| define i32 @k3() { |
| ; CHECK-LABEL: @k3.dfsan |
| ; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]]* %{{.*}}) |
| |
| entry: |
| %call = call zeroext i16 @k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89) |
| %conv = zext i16 %call to i32 |
| ret i32 %conv |
| } |
| |
| declare zeroext i16 @dfsan_get_label(i64 signext) |
| ; CHECK-LABEL: @"dfsw$dfsan_get_label" |
| ; CHECK: %{{.*}} = call i16 @__dfsw_dfsan_get_label(i64 %0, i[[#SBITS]] zeroext %1, i[[#SBITS]]* %{{.*}}) |
| |
| declare zeroext i16 @k2(i64 signext, i64 signext) |
| ; CHECK-LABEL: @"dfsw$k2" |
| ; CHECK: %{{.*}} = call i16 @__dfsw_k2(i64 %{{.*}}, i64 %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]]* %{{.*}}) |
| |
| declare zeroext i16 @k4(i64 signext, i64 signext, i64 signext, i64 signext) |
| ; CHECK-LABEL: @"dfsw$k4" |
| ; CHECK: %{{.*}} = call i16 @__dfsw_k4(i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]]* %{{.*}}) |
| |
| |
| ; CHECK: declare zeroext i16 @__dfsw_dfsan_get_label(i64 signext, i[[#SBITS]], i[[#SBITS]]*) |
| ; CHECK: declare zeroext i16 @__dfsw_k2(i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], i[[#SBITS]]*) |
| ; CHECK: declare zeroext i16 @__dfsw_k4(i64 signext, i64 signext, i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], i[[#SBITS]]*) |