1 ; RUN: llc -march=hexagon < %s | FileCheck %s 2 3 @data1 = external global [2 x [31 x i8]], align 8 4 @data2 = external global [2 x [91 x i8]], align 8 5 6 ; CHECK-LABEL: Prefer_M4_or_andn: 7 ; CHECK: r2 |= and(r0,~r1) 8 define i32 @Prefer_M4_or_andn(i32 %a0, i32 %a1, i32 %a2) #0 { 9 b3: 10 %v4 = xor i32 %a1, -1 11 %v5 = shl i32 %a2, 5 12 %v6 = and i32 %a0, %v4 13 %v7 = or i32 %v6, %v5 14 ret i32 %v7 15 } 16 17 ; CHECK-LABEL: Prefer_M4_mpyri_addi: 18 ; CHECK: add(##data1,mpyi(r0,#31)) 19 define i32 @Prefer_M4_mpyri_addi(i32 %a0) #0 { 20 b1: 21 %v2 = getelementptr inbounds [2 x [31 x i8]], [2 x [31 x i8]]* @data1, i32 0, i32 %a0 22 %v3 = ptrtoint [31 x i8]* %v2 to i32 23 ret i32 %v3 24 } 25 26 ; CHECK-LABEL: Prefer_M4_mpyrr_addi: 27 ; CHECK: add(##data2,mpyi(r0,r1)) 28 define i32 @Prefer_M4_mpyrr_addi(i32 %a0) #0 { 29 b1: 30 %v2 = getelementptr inbounds [2 x [91 x i8]], [2 x [91 x i8]]* @data2, i32 0, i32 %a0 31 %v3 = ptrtoint [91 x i8]* %v2 to i32 32 ret i32 %v3 33 } 34 35 ; CHECK-LABEL: Prefer_S2_tstbit_r: 36 ; CHECK: p0 = tstbit(r0,r1) 37 define i32 @Prefer_S2_tstbit_r(i32 %a0, i32 %a1) #0 { 38 b2: 39 %v3 = shl i32 1, %a1 40 %v4 = and i32 %a0, %v3 41 %v5 = icmp ne i32 %v4, 0 42 %v6 = zext i1 %v5 to i32 43 ret i32 %v6 44 } 45 46 ; CHECK-LABEL: Prefer_S2_ntstbit_r: 47 ; CHECK: p0 = !tstbit(r0,r1) 48 define i32 @Prefer_S2_ntstbit_r(i32 %a0, i32 %a1) #0 { 49 b2: 50 %v3 = shl i32 1, %a1 51 %v4 = and i32 %a0, %v3 52 %v5 = icmp eq i32 %v4, 0 53 %v6 = zext i1 %v5 to i32 54 ret i32 %v6 55 } 56 57 ; CHECK-LABEL: Prefer_L2_loadrub_io: 58 ; CHECK: memub(r0+#65) 59 define i64 @Prefer_L2_loadrub_io(i8* %a0) #0 { 60 b1: 61 %v2 = getelementptr i8, i8* %a0, i32 65 62 %v3 = load i8, i8* %v2 63 %v4 = zext i8 %v3 to i64 64 ret i64 %v4 65 } 66 67 attributes #0 = { optnone noinline nounwind readnone } 68
