| ; 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 | |
| } |