| Bill Schmidt | 941a324 | 2014-10-19 21:29:21 +0000 | [diff] [blame] | 1 | ; RUN: llc -mattr=-vsx -mattr=+altivec -mcpu=pwr7 < %s | FileCheck %s |
| 2 | ; RUN: llc -mattr=+vsx -mattr=+altivec -mcpu=pwr7 < %s | FileCheck -check-prefix=CHECK-VSX %s |
| Ulrich Weigand | 9aa51d1 | 2012-10-12 15:42:58 +0000 | [diff] [blame] | 3 | target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" |
| 4 | target triple = "powerpc64-unknown-linux-gnu" |
| 5 | |
| 6 | define i32 @test(<16 x i8> %v) nounwind { |
| 7 | entry: |
| 8 | %0 = bitcast <16 x i8> %v to i128 |
| 9 | %1 = lshr i128 %0, 96 |
| 10 | %2 = trunc i128 %1 to i32 |
| 11 | ret i32 %2 |
| 12 | } |
| 13 | |
| 14 | ; Verify that bitcast handles big-endian platforms correctly |
| 15 | ; by checking we load the result from the correct offset |
| 16 | |
| 17 | ; CHECK: addi [[REGISTER:[0-9]+]], 1, -16 |
| 18 | ; CHECK: stvx 2, 0, [[REGISTER]] |
| 19 | ; CHECK: lwz 3, -16(1) |
| 20 | ; CHECK: blr |
| 21 | |
| Bill Schmidt | 32e9c64 | 2014-10-17 01:41:22 +0000 | [diff] [blame] | 22 | ; CHECK-VSX: addi [[REGISTER:[0-9]+]], 1, -16 |
| 23 | ; CHECK-VSX: stxvd2x 34, 0, [[REGISTER]] |
| 24 | ; CHECK-VSX: lwz 3, -16(1) |
| 25 | ; CHECK-VSX: blr |