38 lines
928 B
LLVM
38 lines
928 B
LLVM
; Test conversions of unsigned i32s to floating-point values (z10 only).
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
|
|
|
|
; Check i32->f32. There is no native instruction, so we must promote
|
|
; to i64 first.
|
|
define float @f1(i32 %i) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
|
|
; CHECK: cegbr %f0, [[REGISTER]]
|
|
; CHECK: br %r14
|
|
%conv = uitofp i32 %i to float
|
|
ret float %conv
|
|
}
|
|
|
|
; Check i32->f64.
|
|
define double @f2(i32 %i) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
|
|
; CHECK: cdgbr %f0, [[REGISTER]]
|
|
; CHECK: br %r14
|
|
%conv = uitofp i32 %i to double
|
|
ret double %conv
|
|
}
|
|
|
|
; Check i32->f128.
|
|
define void @f3(i32 %i, fp128 *%dst) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: llgfr [[REGISTER:%r[0-5]]], %r2
|
|
; CHECK: cxgbr %f0, [[REGISTER]]
|
|
; CHECK: std %f0, 0(%r3)
|
|
; CHECK: std %f2, 8(%r3)
|
|
; CHECK: br %r14
|
|
%conv = uitofp i32 %i to fp128
|
|
store fp128 %conv, fp128 *%dst
|
|
ret void
|
|
}
|