1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 3 target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048" 4 target triple = "hexagon" 5 6 ; Generate the inline restore for single register pair for functions 7 ; with "optsize" attribute. 8 9 ; CHECK-LABEL: fred_os 10 ; CHECK-DAG: memd{{.*}} = r17:16 11 ; CHECK-DAG: r17:16 = memd{{.*}} 12 ; CHECK-DAG: deallocframe 13 ; CHECK-NOT: call __restore 14 15 define i32 @fred_os(i32 %x) #0 { 16 entry: 17 %call = tail call i32 @foo(i32 %x) #2 18 %call1 = tail call i32 @bar(i32 %x, i32 %call) #2 19 ret i32 %call1 20 } 21 22 ; Generate the restoring call for single register pair for functions 23 ; with "minsize" attribute. 24 25 ; CHECK-LABEL: fred_oz 26 ; CHECK-DAG: memd{{.*}} = r17:16 27 ; CHECK-NOT: r17:16 = memd{{.*}} 28 ; CHECK-DAG: call __restore 29 30 define i32 @fred_oz(i32 %x) #1 { 31 entry: 32 %call = tail call i32 @foo(i32 %x) #2 33 %call1 = tail call i32 @bar(i32 %x, i32 %call) #2 34 ret i32 %call1 35 } 36 37 declare i32 @foo(i32) #2 38 declare i32 @bar(i32, i32) #2 39 40 attributes #0 = { nounwind optsize "disable-tail-calls"="false" } 41 attributes #1 = { nounwind minsize "disable-tail-calls"="false" } 42 attributes #2 = { nounwind optsize } 43
