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 25define i32 @f1(i32* nocapture %p1, i32* nocapture %p2) nounwind { 26entry: 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 32define i32 @f2(i32* nocapture %p1, i32* nocapture %p2) nounwind { 33entry: 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