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1; RUN: llc -mtriple=hexagon -O2 -spill-func-threshold=4 < %s | FileCheck %s --check-prefix=NOSAVE2; RUN: llc -mtriple=hexagon -O2 -spill-func-threshold=2 < %s | FileCheck %s --check-prefix=SAVE3; 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 116@g1 = internal unnamed_addr global [1 x ptr] zeroinitializer, align 417 18; Function Attrs: nounwind19define 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) #022 %v2 = zext i8 %a0 to i3223 %v3 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v224 store ptr %v0, ptr %v3, align 4, !tbaa !025 store ptr %v0, ptr %a1, align 4, !tbaa !026 ret void27}28 29declare ptr @f1(i8 zeroext, i32, ptr, i32)30 31; Function Attrs: nounwind32define void @f2(i8 zeroext %a0) #0 {33b0:34 %v0 = zext i8 %a0 to i3235 %v1 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v036 %v2 = load ptr, ptr %v1, align 4, !tbaa !037 tail call void @f3(i8 zeroext %a0, ptr %v2, ptr @g0, i32 142) #038 store ptr null, ptr %v1, align 4, !tbaa !039 ret void40}41 42declare void @f3(i8 zeroext, ptr, ptr, i32)43 44; Function Attrs: nounwind45define 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 448 %v1 = zext i8 %a0 to i3249 %v2 = getelementptr inbounds [1 x ptr], ptr @g1, i32 0, i32 %v150 %v3 = load ptr, ptr %v2, align 4, !tbaa !051 %v4 = getelementptr inbounds %s.0, ptr %v3, i32 0, i32 352 %v5 = load i32, ptr %v4, align 4, !tbaa !453 %v6 = and i32 %v5, 854 %v7 = icmp eq i32 %v6, 055 br i1 %v7, label %b2, label %b156 57b1: ; preds = %b058 %v10 = call i32 @f5() #059 %v11 = getelementptr [7 x i32], ptr %v0, i32 0, i32 160 store i32 %v10, ptr %v11, align 461 %v12 = call zeroext i16 @f6(i8 zeroext %a0) #062 %v13 = zext i16 %v12 to i3263 %v14 = shl nuw i32 %v13, 1664 %v15 = or i32 %v14, 26065 store i32 %v15, ptr %v0, align 466 %v16 = zext i8 %a1 to i3267 %v17 = getelementptr [7 x i32], ptr %v0, i32 0, i32 268 %v18 = zext i8 %a2 to i3269 %v19 = shl nuw nsw i32 %v18, 1270 %v20 = zext i8 %a3 to i3271 %v21 = shl nuw nsw i32 %v20, 1672 %v22 = and i32 %v21, 45875273 %v23 = and i32 %v19, 6144074 %v24 = zext i8 %a4 to i3275 %v25 = shl nuw nsw i32 %v24, 1976 %v26 = and i32 %v25, 367001677 %v27 = or i32 %v23, %v1678 %v28 = or i32 %v27, %v2279 %v29 = or i32 %v28, %v2680 %v30 = call zeroext i8 @f7(i8 zeroext %a0, i8 zeroext %a1) #081 %v31 = zext i8 %v30 to i3282 %v32 = shl nuw nsw i32 %v31, 883 %v33 = and i32 %v32, 384084 %v34 = or i32 %v33, %v2985 store i32 %v34, ptr %v17, align 486 %v35 = call i32 @f8(i32 %v1, ptr %v0) #087 br label %b288 89b2: ; preds = %b1, %b090 ret void91}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