| Matthias Braun | 848e79c | 2016-02-19 04:44:19 +0000 | [diff] [blame] | 1 | ; RUN: llc -o - %s | FileCheck %s |
| 2 | ; Check that selection dag legalization of fcopysign works in cases with |
| 3 | ; different modes for the arguments. |
| 4 | target triple = "aarch64--" |
| 5 | |
| 6 | declare fp128 @llvm.copysign.f128(fp128, fp128) |
| 7 | |
| 8 | @val = global double zeroinitializer, align 8 |
| 9 | |
| 10 | ; CHECK-LABEL: copysign0 |
| 11 | ; CHECK: ldr [[REG:x[0-9]+]], [x8, :lo12:val] |
| 12 | ; CHECK: and [[ANDREG:x[0-9]+]], [[REG]], #0x8000000000000000 |
| 13 | ; CHECK: lsr x[[LSRREGNUM:[0-9]+]], [[ANDREG]], #56 |
| 14 | ; CHECK: bfxil w[[LSRREGNUM]], w{{[0-9]+}}, #0, #7 |
| 15 | ; CHECK: strb w[[LSRREGNUM]], |
| 16 | ; CHECK: ldr q{{[0-9]+}}, |
| 17 | define fp128 @copysign0() { |
| 18 | entry: |
| 19 | %v = load double, double* @val, align 8 |
| 20 | %conv = fpext double %v to fp128 |
| 21 | %call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2 |
| 22 | ret fp128 %call |
| 23 | } |