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; Check that stack alignment can be forced. Individual targets should test their
; specific implementation details.
; RUN: llc < %s -stackrealign | FileCheck %s
; CHECK-LABEL: @f
; CHECK-LABEL: @g
; Stack realignment not supported.
; XFAIL: target=sparc{{.*}}
; NVPTX can only select dynamic_stackalloc on sm_52+ and with ptx73+
; XFAIL: target=nvptx{{.*}}
define i32 @f(ptr %p) nounwind {
entry:
%0 = load i8, ptr %p
%conv = sext i8 %0 to i32
ret i32 %conv
}
define i64 @g(i32 %i) nounwind {
entry:
br label %if.then
if.then:
%0 = alloca i8, i32 %i
call void @llvm.memset.p0.i32(ptr %0, i8 0, i32 %i, i1 false)
%call = call i32 @f(ptr %0)
%conv = sext i32 %call to i64
ret i64 %conv
}
declare void @llvm.memset.p0.i32(ptr, i8, i32, i1) nounwind
!llvm.module.flags = !{!0}
!0 = !{i32 2, !"override-stack-alignment", i32 32}
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