| Chris Lattner | 4002a1b | 2008-10-28 05:49:35 +0000 | [diff] [blame] | 1 | ; Linux doesn't support stack realignment for functions with allocas (PR2888). |
| 2 | ; Until it does, we shouldn't use movaps to access the stack. On targets with |
| 3 | ; sufficiently aligned stack (e.g. darwin) we should. |
| Eric Christopher | 04f5079 | 2011-01-13 06:47:10 +0000 | [diff] [blame] | 4 | ; PR8969 - make 32-bit linux have a 16-byte aligned stack |
| 5 | ; RUN: llc < %s -mtriple=i386-pc-linux-gnu -mcpu=yonah | grep movaps | count 2 |
| Dan Gohman | 36a0947 | 2009-09-08 23:54:48 +0000 | [diff] [blame] | 6 | ; RUN: llc < %s -mtriple=i686-apple-darwin9 -mcpu=yonah | grep movaps | count 2 |
| Chris Lattner | 4002a1b | 2008-10-28 05:49:35 +0000 | [diff] [blame] | 7 | |
| 8 | |
| 9 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" |
| 10 | target triple = "i386-pc-linux-gnu" |
| 11 | |
| 12 | define void @foo(i32 %t) nounwind { |
| 13 | %tmp1210 = alloca i8, i32 32, align 4 |
| Chris Lattner | b85e4eb | 2011-06-18 06:05:24 +0000 | [diff] [blame^] | 14 | call void @llvm.memset.p0i8.i64(i8* %tmp1210, i8 0, i64 32, i32 4, i1 false) |
| Chris Lattner | 4002a1b | 2008-10-28 05:49:35 +0000 | [diff] [blame] | 15 | %x = alloca i8, i32 %t |
| 16 | call void @dummy(i8* %x) |
| 17 | ret void |
| 18 | } |
| 19 | |
| Chris Lattner | b85e4eb | 2011-06-18 06:05:24 +0000 | [diff] [blame^] | 20 | declare void @dummy(i8*) |
| 21 | |
| 22 | declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |