File: x32-landingpad.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (27 lines) | stat: -rw-r--r-- 880 bytes parent folder | download | duplicates (19) 
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(i8*, i32) noreturn
declare i32 @__gxx_personality_v0(...)

define void @test1() uwtable personality i32 (...)* @__gxx_personality_v0 {
entry:
  invoke void @foo() to label %done unwind label %lpad
done:
  ret void
lpad:
  %0 = landingpad { i8*, 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 { i8*, i32 } %0, 0
  %2 = extractvalue { i8*, i32 } %0, 1
  call void @bar(i8* %1, i32 %2)
  unreachable
}