File: shadow-args-zext.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (52 lines) | stat: -rw-r--r-- 2,135 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
; 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)