File: reserved-reg-errors.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 (36 lines) | stat: -rw-r--r-- 1,940 bytes parent folder | download | duplicates (21)
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
; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x1 < %s 2>&1 | FileCheck %s -check-prefix=X1
; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x1 < %s 2>&1 | FileCheck %s -check-prefix=X1
; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x2 < %s 2>&1 | FileCheck %s -check-prefix=X2
; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x2 < %s 2>&1 | FileCheck %s -check-prefix=X2
; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x8 < %s 2>&1 | FileCheck %s -check-prefix=X8
; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x8 < %s 2>&1 | FileCheck %s -check-prefix=X8
; RUN: not llc -mtriple=riscv32 -mattr=+reserve-x10 < %s 2>&1 | FileCheck %s -check-prefix=X10
; RUN: not llc -mtriple=riscv64 -mattr=+reserve-x10 < %s 2>&1 | FileCheck %s -check-prefix=X10
; RUN: llc -mtriple=riscv32 -mattr=+reserve-x11 < %s 2>&1 | FileCheck %s -check-prefix=X11
; RUN: llc -mtriple=riscv32 -mattr=+reserve-x11 < %s 2>&1 | FileCheck %s -check-prefix=X11
; RUN: llc -mtriple=riscv32 <%s
; RUN: llc -mtriple=riscv64 <%s

; This tests combinations when we would expect an error to be produced because
; a reserved register is required by the default ABI. The final test checks no
; errors are produced when no registers are reserved.

define i32 @caller(i32 %a) #0 {
; X1: in function caller {{.*}} Return address register required, but has been reserved.
; X2: in function caller {{.*}} Stack pointer required, but has been reserved.
; X8: in function caller {{.*}} Frame pointer required, but has been reserved.
; X10: in function caller {{.*}} Argument register required, but has been reserved.
; X10: in function caller {{.*}} Return value register required, but has been reserved.
  %call = call i32 @callee(i32 0)
  ret i32 %call
}

declare i32 @callee(i32 %a)

define void @clobber() {
; X11: warning: inline asm clobber list contains reserved registers: X11
  call void asm sideeffect "nop", "~{x11}"()
  ret void
}

attributes #0 = { "frame-pointer"="all" }