| NAKAMURA Takumi | 20ce6e6 | 2012-10-12 16:01:08 +0000 | [diff] [blame] | 1 | ; RUN: llc -mattr=+altivec < %s | FileCheck %s |
| Ulrich Weigand | 7bbb9c7 | 2012-10-12 15:42:58 +0000 | [diff] [blame] | 2 | 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" |
| 3 | target triple = "powerpc64-unknown-linux-gnu" |
| 4 | |
| 5 | define i32 @test(<16 x i8> %v) nounwind { |
| 6 | entry: |
| 7 | %0 = bitcast <16 x i8> %v to i128 |
| 8 | %1 = lshr i128 %0, 96 |
| 9 | %2 = trunc i128 %1 to i32 |
| 10 | ret i32 %2 |
| 11 | } |
| 12 | |
| 13 | ; Verify that bitcast handles big-endian platforms correctly |
| 14 | ; by checking we load the result from the correct offset |
| 15 | |
| 16 | ; CHECK: addi [[REGISTER:[0-9]+]], 1, -16 |
| 17 | ; CHECK: stvx 2, 0, [[REGISTER]] |
| 18 | ; CHECK: lwz 3, -16(1) |
| 19 | ; CHECK: blr |
| 20 | |