Fangrui Song ecb85b5cd8 [dfsan] Remove injectMetadataGlobals
D97409 added injectMetadataGlobals to differentiate the shadow mode.
This feature has been unused and is unneeded after D103745 removed fast16 mode.

Reviewed By: browneee

Differential Revision: https://reviews.llvm.org/D140797
2023-01-03 09:23:55 -08:00

53 lines
2.1 KiB
LLVM

; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -passes=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.
define i32 @m() {
; CHECK-LABEL: @m.dfsan
; CHECK: %{{.*}} = call zeroext i16 @__dfsw_dfsan_get_label(i64 signext 56, i8 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, i8 zeroext {{.*}}, i8 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, i8 zeroext {{.*}}, i8 zeroext {{.*}}, i8 zeroext {{.*}}, i8 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$dfsan_get_label"
; CHECK: %{{.*}} = call i16 @__dfsw_dfsan_get_label(i64 %0, i8 zeroext %1, ptr %{{.*}})
declare zeroext i16 @k2(i64 signext, i64 signext)
; CHECK-LABEL: @"dfsw$k2"
; CHECK: %{{.*}} = call i16 @__dfsw_k2(i64 %{{.*}}, i64 %{{.*}}, i8 zeroext %{{.*}}, i8 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 %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, i8 zeroext %{{.*}}, ptr %{{.*}})
; CHECK: declare zeroext i16 @__dfsw_dfsan_get_label(i64 signext, i8, ptr)
; CHECK: declare zeroext i16 @__dfsw_k2(i64 signext, i64 signext, i8, i8, ptr)
; CHECK: declare zeroext i16 @__dfsw_k4(i64 signext, i64 signext, i64 signext, i64 signext, i8, i8, i8, i8, ptr)