1 ; RUN: llc < %s -march=arm64 -enable-misched=false -verify-machineinstrs | FileCheck %s 2 3 ; The next set of tests makes sure we can combine the second instruction into 4 ; the first. 5 6 ; CHECK-LABEL: ldp_int_aa 7 ; CHECK: ldp w8, w9, [x1] 8 ; CHECK: str w0, [x1, #8] 9 ; CHECK: ret 10 define i32 @ldp_int_aa(i32 %a, i32* %p) nounwind { 11 %tmp = load i32, i32* %p, align 4 12 %str.ptr = getelementptr inbounds i32, i32* %p, i64 2 13 store i32 %a, i32* %str.ptr, align 4 14 %add.ptr = getelementptr inbounds i32, i32* %p, i64 1 15 %tmp1 = load i32, i32* %add.ptr, align 4 16 %add = add nsw i32 %tmp1, %tmp 17 ret i32 %add 18 } 19 20 ; CHECK-LABEL: ldp_long_aa 21 ; CHECK: ldp x8, x9, [x1] 22 ; CHECK: str x0, [x1, #16] 23 ; CHECK: ret 24 define i64 @ldp_long_aa(i64 %a, i64* %p) nounwind { 25 %tmp = load i64, i64* %p, align 8 26 %str.ptr = getelementptr inbounds i64, i64* %p, i64 2 27 store i64 %a, i64* %str.ptr, align 4 28 %add.ptr = getelementptr inbounds i64, i64* %p, i64 1 29 %tmp1 = load i64, i64* %add.ptr, align 8 30 %add = add nsw i64 %tmp1, %tmp 31 ret i64 %add 32 } 33 34 ; CHECK-LABEL: ldp_float_aa 35 ; CHECK: str s0, [x0, #8] 36 ; CHECK: ldp s1, s0, [x0] 37 ; CHECK: ret 38 define float @ldp_float_aa(float %a, float* %p) nounwind { 39 %tmp = load float, float* %p, align 4 40 %str.ptr = getelementptr inbounds float, float* %p, i64 2 41 store float %a, float* %str.ptr, align 4 42 %add.ptr = getelementptr inbounds float, float* %p, i64 1 43 %tmp1 = load float, float* %add.ptr, align 4 44 %add = fadd float %tmp, %tmp1 45 ret float %add 46 } 47 48 ; CHECK-LABEL: ldp_double_aa 49 ; CHECK: str d0, [x0, #16] 50 ; CHECK: ldp d1, d0, [x0] 51 ; CHECK: ret 52 define double @ldp_double_aa(double %a, double* %p) nounwind { 53 %tmp = load double, double* %p, align 8 54 %str.ptr = getelementptr inbounds double, double* %p, i64 2 55 store double %a, double* %str.ptr, align 4 56 %add.ptr = getelementptr inbounds double, double* %p, i64 1 57 %tmp1 = load double, double* %add.ptr, align 8 58 %add = fadd double %tmp, %tmp1 59 ret double %add 60 } 61
