65 lines
1.3 KiB
LLVM
65 lines
1.3 KiB
LLVM
; Test conversions of unsigned integers to floating-point values
|
|
; (z196 and above).
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
|
|
|
|
; Check i32->f32.
|
|
define float @f1(i32 %i) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: celfbr %f0, 0, %r2, 0
|
|
; CHECK: br %r14
|
|
%conv = uitofp i32 %i to float
|
|
ret float %conv
|
|
}
|
|
|
|
; Check i32->f64.
|
|
define double @f2(i32 %i) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: cdlfbr %f0, 0, %r2, 0
|
|
; 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: cxlfbr %f0, 0, %r2, 0
|
|
; CHECK-DAG: std %f0, 0(%r3)
|
|
; CHECK-DAG: std %f2, 8(%r3)
|
|
; CHECK: br %r14
|
|
%conv = uitofp i32 %i to fp128
|
|
store fp128 %conv, fp128 *%dst
|
|
ret void
|
|
}
|
|
|
|
; Check i64->f32.
|
|
define float @f4(i64 %i) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: celgbr %f0, 0, %r2, 0
|
|
; CHECK: br %r14
|
|
%conv = uitofp i64 %i to float
|
|
ret float %conv
|
|
}
|
|
|
|
; Check i64->f64.
|
|
define double @f5(i64 %i) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: cdlgbr %f0, 0, %r2, 0
|
|
; CHECK: br %r14
|
|
%conv = uitofp i64 %i to double
|
|
ret double %conv
|
|
}
|
|
|
|
; Check i64->f128.
|
|
define void @f6(i64 %i, fp128 *%dst) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: cxlgbr %f0, 0, %r2, 0
|
|
; CHECK-DAG: std %f0, 0(%r3)
|
|
; CHECK-DAG: std %f2, 8(%r3)
|
|
; CHECK: br %r14
|
|
%conv = uitofp i64 %i to fp128
|
|
store fp128 %conv, fp128 *%dst
|
|
ret void
|
|
}
|