branch-11.ll
1.08 KB
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; Test indirect jumps on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
define i32 @f1(i32 %x, i32 %y, i32 %op) {
; CHECK-LABEL: f1:
; CHECK: ahi %r4, -1
; CHECK: clibh %r4, 5, 0(%r14)
; CHECK: llgfr [[OP64:%r[0-5]]], %r4
; CHECK: sllg [[INDEX:%r[1-5]]], [[OP64]], 3
; CHECK: larl [[BASE:%r[1-5]]]
; CHECK: bi 0([[BASE]],[[INDEX]])
entry:
switch i32 %op, label %exit [
i32 1, label %b.add
i32 2, label %b.sub
i32 3, label %b.and
i32 4, label %b.or
i32 5, label %b.xor
i32 6, label %b.mul
]
b.add:
%add = add i32 %x, %y
br label %exit
b.sub:
%sub = sub i32 %x, %y
br label %exit
b.and:
%and = and i32 %x, %y
br label %exit
b.or:
%or = or i32 %x, %y
br label %exit
b.xor:
%xor = xor i32 %x, %y
br label %exit
b.mul:
%mul = mul i32 %x, %y
br label %exit
exit:
%res = phi i32 [ %x, %entry ],
[ %add, %b.add ],
[ %sub, %b.sub ],
[ %and, %b.and ],
[ %or, %b.or ],
[ %xor, %b.xor ],
[ %mul, %b.mul ]
ret i32 %res
}