1 ; RUN: llc < %s -o /dev/null "-mtriple=thumbv7-apple-ios" -debug-only=post-RA-sched 2> %t 2 ; RUN: FileCheck %s < %t 3 ; REQUIRES: asserts 4 ; Make sure that mayalias store-load dependencies have one cycle 5 ; latency regardless of whether they are barriers or not. 6 7 ; CHECK: ** List Scheduling 8 ; CHECK: SU(2){{.*}}STR{{.*}}Volatile 9 ; CHECK-NOT: ch SU 10 ; CHECK: ch SU(3): Latency=1 11 ; CHECK-NOT: ch SU 12 ; CHECK: SU(3){{.*}}LDR{{.*}}Volatile 13 ; CHECK-NOT: ch SU 14 ; CHECK: ch SU(2): Latency=1 15 ; CHECK-NOT: ch SU 16 ; CHECK: ** List Scheduling 17 ; CHECK: SU(2){{.*}}STR{{.*}} 18 ; CHECK-NOT: ch SU 19 ; CHECK: ch SU(3): Latency=1 20 ; CHECK-NOT: ch SU 21 ; CHECK: SU(3){{.*}}LDR{{.*}} 22 ; CHECK-NOT: ch SU 23 ; CHECK: ch SU(2): Latency=1 24 ; CHECK-NOT: ch SU 25 define i32 @f1(i32* nocapture %p1, i32* nocapture %p2) nounwind { 26 entry: 27 store volatile i32 65540, i32* %p1, align 4, !tbaa !0 28 %0 = load volatile i32* %p2, align 4, !tbaa !0 29 ret i32 %0 30 } 31 32 define i32 @f2(i32* nocapture %p1, i32* nocapture %p2) nounwind { 33 entry: 34 store i32 65540, i32* %p1, align 4, !tbaa !0 35 %0 = load i32* %p2, align 4, !tbaa !0 36 ret i32 %0 37 } 38 39 !0 = metadata !{metadata !"int", metadata !1} 40 !1 = metadata !{metadata !"omnipotent char", metadata !2} 41 !2 = metadata !{metadata !"Simple C/C++ TBAA"} 42
