File: x32-landingpad.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (27 lines) | stat: -rw-r--r-- 873 bytes parent folder | download | duplicates (13)
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
; RUN: llc < %s -mtriple=x86_64-none-none-gnux32 -mcpu=generic | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-none-none-gnux32 -mcpu=generic -fast-isel | FileCheck %s
;
; Ensures that landingpad instructions in x32 use the right Exception Pointer
; and Exception Selector registers.

declare void @foo()
declare void @bar(ptr, i32) noreturn
declare i32 @__gxx_personality_v0(...)

define void @test1() uwtable personality ptr @__gxx_personality_v0 {
entry:
  invoke void @foo() to label %done unwind label %lpad
done:
  ret void
lpad:
  %0 = landingpad { ptr, i32 } cleanup
; The Exception Pointer is %eax; the Exception Selector, %edx.
; CHECK: LBB{{[^%]*}} %lpad
; CHECK-DAG: movl %eax, {{.*}}
; CHECK-DAG: movl %edx, {{.*}}
; CHECK: callq bar
  %1 = extractvalue { ptr, i32 } %0, 0
  %2 = extractvalue { ptr, i32 } %0, 1
  call void @bar(ptr %1, i32 %2)
  unreachable
}