dyn-alloca-offset.ll
1.04 KB
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i64 @llvm.get.dynamic.area.offset.i64()
declare void @use(i64)
define void @f1() {
; CHECK-LABEL: f1
; CHECK: la %r2, 160
; CHECK: brasl %r14, use
; CHECK: br %r14
%tmp = alloca i64, align 32
%dynamic_area_offset = call i64 @llvm.get.dynamic.area.offset.i64()
call void @use(i64 %dynamic_area_offset)
ret void
}
define void @f2(i64 %arg) {
; CHECK-LABEL: f2
; CHECK: la %r2, 160(%r2)
; CHECK: brasl %r14, use
; CHECK: br %r14
%tmp = alloca i64, align 32
%dynamic_area_offset = call i64 @llvm.get.dynamic.area.offset.i64()
%param = add i64 %dynamic_area_offset, %arg
call void @use(i64 %param)
ret void
}
declare void @eatsalot(i64, i64, i64, i64, i64, i64)
define void @f3() {
; CHECK-LABEL: f3
; CHECK: la %r2, 168
; CHECK: brasl %r14, use
; CHECK: br %r14
%tmp = alloca i64, align 32
call void @eatsalot(i64 0, i64 0, i64 0, i64 0, i64 0, i64 0)
%dynamic_area_offset = call i64 @llvm.get.dynamic.area.offset.i64()
call void @use(i64 %dynamic_area_offset)
ret void
}