forked from OSchip/llvm-project
34 lines
720 B
LLVM
34 lines
720 B
LLVM
; Test moves between FPRs.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
|
|
|
|
; Test f32 moves.
|
|
define float @f1(float %a, float %b) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: ler %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
|
|
}
|