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; Test moves between FPRs on z13.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
; Test that we use LDR instead of LER.
define float @f1(float %a, float %b) {
; CHECK-LABEL: f1:
; CHECK: ldr %f0, %f2
; CHECK: br %r14
ret float %b
}
; Test f64 moves.
define double @f2(double %a, double %b) {
; CHECK-LABEL: f2:
; CHECK: ldr %f0, %f2
; CHECK: br %r14
ret double %b
}
; Test f128 moves. Since f128s are passed by reference, we need to force
; a copy by other means.
define void @f3(fp128 *%x) {
; CHECK-LABEL: f3:
; CHECK: lxr
; CHECK: axbr
; CHECK: br %r14
%val = load volatile fp128 , fp128 *%x
%sum = fadd fp128 %val, %val
store volatile fp128 %sum, fp128 *%x
store volatile fp128 %val, fp128 *%x
ret void
}
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