| Eli Friedman | cbd3ba9 | 2011-07-25 22:25:42 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=yonah | FileCheck %s |
| 2 | ; RUN: llc < %s -march=x86-64 -mattr=+sse2 -mcpu=core2 | FileCheck %s |
| Evan Cheng | 1120279a | 2008-05-13 08:35:03 +0000 | [diff] [blame] | 3 | |
| 4 | define i32 @t(<2 x i64>* %val) nounwind { |
| Eli Friedman | cbd3ba9 | 2011-07-25 22:25:42 +0000 | [diff] [blame] | 5 | ; CHECK: t: |
| 6 | ; CHECK-NOT: movd |
| 7 | ; CHECK: movl 8( |
| 8 | ; CHECK-NEXT: ret |
| Evan Cheng | 1120279a | 2008-05-13 08:35:03 +0000 | [diff] [blame] | 9 | %tmp2 = load <2 x i64>* %val, align 16 ; <<2 x i64>> [#uses=1] |
| 10 | %tmp3 = bitcast <2 x i64> %tmp2 to <4 x i32> ; <<4 x i32>> [#uses=1] |
| 11 | %tmp4 = extractelement <4 x i32> %tmp3, i32 2 ; <i32> [#uses=1] |
| 12 | ret i32 %tmp4 |
| 13 | } |
| Eli Friedman | cbd3ba9 | 2011-07-25 22:25:42 +0000 | [diff] [blame] | 14 | |
| 15 | ; Case where extractelement of load ends up as undef. |
| 16 | ; (Making sure this doesn't crash.) |
| 17 | define i32 @t2(<8 x i32>* %xp) { |
| 18 | ; CHECK: t2: |
| 19 | ; CHECK: ret |
| 20 | %x = load <8 x i32>* %xp |
| 21 | %Shuff68 = shufflevector <8 x i32> %x, <8 x i32> undef, <8 x i32> <i32 |
| 22 | undef, i32 7, i32 9, i32 undef, i32 13, i32 15, i32 1, i32 3> |
| 23 | %y = extractelement <8 x i32> %Shuff68, i32 0 |
| 24 | ret i32 %y |
| 25 | } |