Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
The LIT test cases were migrated with the script provided by
Nikita Popov.

No manual changes were made. Committed without review since
no functional changes, after consultation with uweigand.
2022-10-11 21:09:43 +00:00

34 lines
932 B
LLVM

; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; CHECK-LABEL: @test_stack_guard
; CHECK: ear [[REG1:%r[1-9][0-9]?]], %a0
; CHECK: sllg [[REG1]], [[REG1]], 32
; CHECK: ear [[REG1]], %a1
; CHECK: lg [[REG1]], 40([[REG1]])
; CHECK: stg [[REG1]], {{[0-9]*}}(%r15)
; CHECK: brasl %r14, foo3@PLT
; CHECK: ear [[REG2:%r[1-9][0-9]?]], %a0
; CHECK: sllg [[REG2]], [[REG2]], 32
; CHECK: ear [[REG2]], %a1
; CHECK: lg [[REG2]], 40([[REG2]])
; CHECK: cg [[REG2]], {{[0-9]*}}(%r15)
define i32 @test_stack_guard() #0 {
entry:
%a1 = alloca [256 x i32], align 4
call void @llvm.lifetime.start.p0(i64 1024, ptr %a1)
call void @foo3(ptr %a1)
call void @llvm.lifetime.end.p0(i64 1024, ptr %a1)
ret i32 0
}
; Function Attrs: nounwind
declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
declare void @foo3(ptr)
; Function Attrs: nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
attributes #0 = { sspstrong }