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[SystemZ] Flesh out stackrestore test (frame-11.ll)

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...so that it does something vaguely sensible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199117 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford 2014-01-13 15:44:44 +00:00
parent dcbd7ca4a7
commit 91e35c7533
1 changed files with 10 additions and 3 deletions
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13
test/CodeGen/SystemZ/frame-11.ll
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@ -2,17 +2,24 @@
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i8 *@llvm.stacksave()
declare void @llvm.stackrestore(i8 *)
; we should use a frame pointer and tear down the frame based on %r11
; rather than %r15.
define void @f1(i8 *%src) {
define void @f1(i32 %count1, i32 %count2) {
; CHECK-LABEL: f1:
; CHECK: stmg %r11, %r15, 88(%r15)
; CHECK: aghi %r15, -160
; CHECK: lgr %r11, %r15
; CHECK: lgr %r15, %r2
; CHECK: lmg %r11, %r15, 88(%r11)
; CHECK: lgr %r15, %r{{[0-5]}}
; CHECK: lmg %r11, %r15, 248(%r11)
; CHECK: br %r14
%src = call i8 *@llvm.stacksave()
%array1 = alloca i8, i32 %count1
store volatile i8 0, i8 *%array1
call void @llvm.stackrestore(i8 *%src)
%array2 = alloca i8, i32 %count2
store volatile i8 0, i8 *%array2
ret void
}