| ; 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, ptr %dst) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: cxgbr |
| ; CHECK: axbr |
| ; CHECK: br %r14 |
| %conv = uitofp i64 %i to fp128 |
| store fp128 %conv, ptr %dst |
| ret void |
| } |
