1; RUN: llc -mtriple=hexagon -O2 -spill-func-threshold=4 < %s | FileCheck %s --check-prefix=NOSAVE 2; RUN: llc -mtriple=hexagon -O2 -spill-func-threshold=2 < %s | FileCheck %s --check-prefix=SAVE 3; NOSAVE-NOT: call __save_r16_ 4; SAVE: call __save_r16_ 5 6target triple = "hexagon" 7 8%s.0 = type { %s.1, [50 x %s.2], i8, i32 } 9%s.1 = type { i8, i8, i8, i8, i8, i8, i8, i8, [2 x i8], [2 x i8], [4 x i8] } 10%s.2 = type { %s.3, [16 x i8] } 11%s.3 = type { %s.4, %s.5 } 12%s.4 = type { i8, i8, [2 x i8], [4 x i8] } 13%s.5 = type { i16, i16 } 14 15@g0 = private unnamed_addr constant [21 x i8] c"....................\00", align 1 16@g1 = internal unnamed_addr global [1 x ptr] zeroinitializer, align 4 17 18; Function Attrs: nounwind 19define void @f0(i8 zeroext %a0, ptr nocapture %a1) #0 { 20b0: 21 %v0 = tail call ptr @f1(i8 zeroext %a0, i32 1424, ptr @g0, i32 118) #0 22 %v2 = zext i8 %a0 to i32 23 %v3 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v2 24 store ptr %v0, ptr %v3, align 4, !tbaa !0 25 store ptr %v0, ptr %a1, align 4, !tbaa !0 26 ret void 27} 28 29declare ptr @f1(i8 zeroext, i32, ptr, i32) 30 31; Function Attrs: nounwind 32define void @f2(i8 zeroext %a0) #0 { 33b0: 34 %v0 = zext i8 %a0 to i32 35 %v1 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v0 36 %v2 = load ptr, ptr %v1, align 4, !tbaa !0 37 tail call void @f3(i8 zeroext %a0, ptr %v2, ptr @g0, i32 142) #0 38 store ptr null, ptr %v1, align 4, !tbaa !0 39 ret void 40} 41 42declare void @f3(i8 zeroext, ptr, ptr, i32) 43 44; Function Attrs: nounwind 45define void @f4(i8 zeroext %a0, i8 zeroext %a1, i8 zeroext %a2, i8 zeroext %a3, i8 zeroext %a4) #0 { 46b0: 47 %v0 = alloca [7 x i32], align 4 48 %v1 = zext i8 %a0 to i32 49 %v2 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v1 50 %v3 = load ptr, ptr %v2, align 4, !tbaa !0 51 %v4 = getelementptr inbounds %s.0, ptr %v3, i32 0, i32 3 52 %v5 = load i32, ptr %v4, align 4, !tbaa !4 53 %v6 = and i32 %v5, 8 54 %v7 = icmp eq i32 %v6, 0 55 br i1 %v7, label %b2, label %b1 56 57b1: ; preds = %b0 58 %v10 = call i32 @f5() #0 59 %v11 = getelementptr [7 x i32], ptr %v0, i32 0, i32 1 60 store i32 %v10, ptr %v11, align 4 61 %v12 = call zeroext i16 @f6(i8 zeroext %a0) #0 62 %v13 = zext i16 %v12 to i32 63 %v14 = shl nuw i32 %v13, 16 64 %v15 = or i32 %v14, 260 65 store i32 %v15, ptr %v0, align 4 66 %v16 = zext i8 %a1 to i32 67 %v17 = getelementptr [7 x i32], ptr %v0, i32 0, i32 2 68 %v18 = zext i8 %a2 to i32 69 %v19 = shl nuw nsw i32 %v18, 12 70 %v20 = zext i8 %a3 to i32 71 %v21 = shl nuw nsw i32 %v20, 16 72 %v22 = and i32 %v21, 458752 73 %v23 = and i32 %v19, 61440 74 %v24 = zext i8 %a4 to i32 75 %v25 = shl nuw nsw i32 %v24, 19 76 %v26 = and i32 %v25, 3670016 77 %v27 = or i32 %v23, %v16 78 %v28 = or i32 %v27, %v22 79 %v29 = or i32 %v28, %v26 80 %v30 = call zeroext i8 @f7(i8 zeroext %a0, i8 zeroext %a1) #0 81 %v31 = zext i8 %v30 to i32 82 %v32 = shl nuw nsw i32 %v31, 8 83 %v33 = and i32 %v32, 3840 84 %v34 = or i32 %v33, %v29 85 store i32 %v34, ptr %v17, align 4 86 %v35 = call i32 @f8(i32 %v1, ptr %v0) #0 87 br label %b2 88 89b2: ; preds = %b1, %b0 90 ret void 91} 92 93declare i32 @f5() 94 95declare zeroext i16 @f6(i8 zeroext) 96 97declare zeroext i8 @f7(i8 zeroext, i8 zeroext) 98 99declare i32 @f8(...) 100 101attributes #0 = { nounwind } 102 103!0 = !{!1, !1, i64 0} 104!1 = !{!"any pointer", !2} 105!2 = !{!"omnipotent char", !3} 106!3 = !{!"Simple C/C++ TBAA"} 107!4 = !{!5, !5, i64 0} 108!5 = !{!"long", !2} 109