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: Successors: 17 ; CHECK: ** List Scheduling 18 ; CHECK: SU(2){{.*}}STR{{.*}} 19 ; CHECK-NOT: ch SU 20 ; CHECK: ch SU(3): Latency=1 21 ; CHECK-NOT: ch SU 22 ; CHECK: SU(3){{.*}}LDR{{.*}} 23 ; CHECK-NOT: ch SU 24 ; CHECK: ch SU(2): Latency=1 25 ; CHECK-NOT: ch SU 26 ; CHECK: Successors: 27 define i32 @f1(i32* nocapture %p1, i32* nocapture %p2) nounwind { 28 entry: 29 store volatile i32 65540, i32* %p1, align 4 30 %0 = load volatile i32* %p2, align 4 31 ret i32 %0 32 } 33 34 define i32 @f2(i32* nocapture %p1, i32* nocapture %p2) nounwind { 35 entry: 36 store i32 65540, i32* %p1, align 4 37 %0 = load i32* %p2, align 4 38 ret i32 %0 39 } 40
