; 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, ptr %{{.*}}) 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 {{.*}}, ptr %{{.*}}) 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 {{.*}}, ptr %{{.*}}) 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$dfsan_get_label" ; CHECK: %{{.*}} = call i16 @__dfsw_dfsan_get_label(i64 %0, i[[#SBITS]] zeroext %1, ptr %{{.*}}) declare zeroext i16 @k2(i64 signext, i64 signext) ; CHECK-LABEL: @"dfsw$k2" ; CHECK: %{{.*}} = call i16 @__dfsw_k2(i64 %{{.*}}, i64 %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, ptr %{{.*}}) 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 %{{.*}}, ptr %{{.*}}) ; CHECK: declare zeroext i16 @__dfsw_dfsan_get_label(i64 signext, i[[#SBITS]], ptr) ; CHECK: declare zeroext i16 @__dfsw_k2(i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], ptr) ; CHECK: declare zeroext i16 @__dfsw_k4(i64 signext, i64 signext, i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], ptr)