| Jakob Stoklund Olesen | a6f7499 | 2011-03-31 18:42:43 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=mips -regalloc=linearscan | grep {subu.*sp} | count 2 |
| 2 | |
| 3 | ; This test depends on a linearscan optimization, joining copies from reserved |
| 4 | ; registers. |
| 5 | ; After coalescing, copies from %SP remain. |
| 6 | ; They are handled by RALinScan::attemptTrivialCoalescing |
| Bruno Cardoso Lopes | ab243df | 2008-08-08 04:12:42 +0000 | [diff] [blame] | 7 | |
| 8 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64" |
| Duncan Sands | cdd4f8c | 2010-08-30 10:48:29 +0000 | [diff] [blame] | 9 | target triple = "mipsallegrexel-unknown-psp-elf" |
| Bruno Cardoso Lopes | ab243df | 2008-08-08 04:12:42 +0000 | [diff] [blame] | 10 | |
| 11 | define i32 @twoalloca(i32 %size) nounwind { |
| 12 | entry: |
| 13 | alloca i8, i32 %size ; <i8*>:0 [#uses=1] |
| 14 | alloca i8, i32 %size ; <i8*>:1 [#uses=1] |
| 15 | call i32 @foo( i8* %0 ) nounwind ; <i32>:2 [#uses=1] |
| 16 | call i32 @foo( i8* %1 ) nounwind ; <i32>:3 [#uses=1] |
| 17 | add i32 %3, %2 ; <i32>:4 [#uses=1] |
| 18 | ret i32 %4 |
| 19 | } |
| 20 | |
| 21 | declare i32 @foo(i8*) |