1 ; RUN: llc -march=hexagon < %s | FileCheck %s
3 ; Check if S4_subi_asl_ri is being generated correctly.
5 ; CHECK-LABEL: yes_sub_asl
6 ; CHECK: [[REG1:(r[0-9]+)]] = sub(#0,asl([[REG1]],#1))
8 ; CHECK-LABEL: no_sub_asl
9 ; CHECK: [[REG2:(r[0-9]+)]] = asl(r{{[0-9]+}},#1)
10 ; CHECK: r{{[0-9]+}} = sub([[REG2]],r{{[0-9]+}})
12 %struct.rtx_def = type { i16, i8 }
14 @this_insn_number = external global i32, align 4
16 ; Function Attrs: nounwind
17 define void @yes_sub_asl(%struct.rtx_def* %reg, %struct.rtx_def* nocapture readonly %setter) #0 {
19 %code = getelementptr inbounds %struct.rtx_def, %struct.rtx_def* %reg, i32 0, i32 0
20 %0 = load i16, i16* %code, align 4
21 switch i16 %0, label %return [
27 %code6 = getelementptr inbounds %struct.rtx_def, %struct.rtx_def* %setter, i32 0, i32 0
28 %1 = load i16, i16* %code6, align 4
29 %cmp8 = icmp eq i16 %1, 56
30 %conv9 = zext i1 %cmp8 to i32
31 %2 = load i32, i32* @this_insn_number, align 4
33 %sub = add nsw i32 %conv9, %3
34 tail call void @reg_is_born(%struct.rtx_def* nonnull %reg, i32 %sub) #2
41 declare void @reg_is_born(%struct.rtx_def*, i32) #1
43 ; Function Attrs: nounwind
44 define void @no_sub_asl(%struct.rtx_def* %reg, %struct.rtx_def* nocapture readonly %setter) #0 {
46 %code = getelementptr inbounds %struct.rtx_def, %struct.rtx_def* %reg, i32 0, i32 0
47 %0 = load i16, i16* %code, align 4
48 switch i16 %0, label %return [
54 %1 = load i32, i32* @this_insn_number, align 4
55 %mul = mul nsw i32 %1, 2
56 %code6 = getelementptr inbounds %struct.rtx_def, %struct.rtx_def* %setter, i32 0, i32 0
57 %2 = load i16, i16* %code6, align 4
58 %cmp8 = icmp eq i16 %2, 56
59 %conv9 = zext i1 %cmp8 to i32
60 %sub = sub nsw i32 %mul, %conv9
61 tail call void @reg_is_born(%struct.rtx_def* nonnull %reg, i32 %sub) #2
68 attributes #0 = { nounwind "target-cpu"="hexagonv5" }
69 attributes #1 = { "target-cpu"="hexagonv5" }
70 attributes #2 = { nounwind }