36 lines
812 B
LLVM
36 lines
812 B
LLVM
|
; Test conversions of unsigned i64s to floating-point values (z10 only).
|
||
|
|
;
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
|
||
|
|
|
||
|
|
; Test i64->f32. There's no native support for unsigned i64-to-fp conversions,
|
||
|
|
; but we should be able to implement them using signed i64-to-fp conversions.
|
||
|
|
define float @f1(i64 %i) {
|
||
|
|
; CHECK-LABEL: f1:
|
||
|
|
; CHECK: cegbr
|
||
|
|
; CHECK: aebr
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = uitofp i64 %i to float
|
||
|
|
ret float %conv
|
||
|
|
}
|
||
|
|
|
||
|
|
; Test i64->f64.
|
||
|
|
define double @f2(i64 %i) {
|
||
|
|
; CHECK-LABEL: f2:
|
||
|
|
; CHECK: ldgr
|
||
|
|
; CHECK: adbr
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = uitofp i64 %i to double
|
||
|
|
ret double %conv
|
||
|
|
}
|
||
|
|
|
||
|
|
; Test i64->f128.
|
||
|
|
define void @f3(i64 %i, fp128 *%dst) {
|
||
|
|
; CHECK-LABEL: f3:
|
||
|
|
; CHECK: cxgbr
|
||
|
|
; CHECK: axbr
|
||
|
|
; CHECK: br %r14
|
||
|
|
%conv = uitofp i64 %i to fp128
|
||
|
|
store fp128 %conv, fp128 *%dst
|
||
|
|
ret void
|
||
|
|
}
|