| ; REQUIRES: asserts |
| ; RUN: llc < %s -mtriple=armv8r-eabi -mcpu=cortex-a57 -misched-postra -enable-misched -verify-misched -debug-only=machine-scheduler -o - 2>&1 > /dev/null | FileCheck %s |
| ; |
| |
| @a = global double 0.0, align 4 |
| @b = global double 0.0, align 4 |
| @c = global double 0.0, align 4 |
| |
| ; CHECK: ********** MI Scheduling ********** |
| ; We need second, post-ra scheduling to have VLDM instruction combined from single-loads |
| ; CHECK: ********** MI Scheduling ********** |
| ; CHECK: VLDMDIA_UPD |
| ; CHECK: rdefs left |
| ; CHECK-NEXT: Latency : 6 |
| ; CHECK: Successors: |
| ; CHECK: Data |
| ; CHECK-SAME: Latency=1 |
| ; CHECK-NEXT: Data |
| ; CHECK-SAME: Latency=1 |
| ; CHECK-NEXT: Data |
| ; CHECK-SAME: Latency=5 |
| ; CHECK-NEXT: Data |
| ; CHECK-SAME: Latency=5 |
| ; CHECK-NEXT: Data |
| ; CHECK-SAME: Latency=6 |
| define i32 @bar(i32* %iptr) minsize optsize { |
| %1 = load double, double* @a, align 8 |
| %2 = load double, double* @b, align 8 |
| %3 = load double, double* @c, align 8 |
| |
| %ptr_after = getelementptr double, double* @a, i32 3 |
| |
| %ptr_new_ival = ptrtoint double* %ptr_after to i32 |
| %ptr_new = inttoptr i32 %ptr_new_ival to i32* |
| |
| store i32 %ptr_new_ival, i32* %iptr, align 8 |
| |
| %v1 = fptoui double %1 to i32 |
| |
| %mul1 = mul i32 %ptr_new_ival, %v1 |
| |
| %v2 = fptoui double %2 to i32 |
| %v3 = fptoui double %3 to i32 |
| |
| %mul2 = mul i32 %mul1, %v2 |
| %mul3 = mul i32 %mul2, %v3 |
| |
| ret i32 %mul3 |
| } |
| |