1; RUN: llc -verify-machineinstrs -mtriple=i386--netbsd < %s | FileCheck %s 2; Regression test for http://reviews.llvm.org/D5701 3 4; ModuleID = 'xxhash.i' 5target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" 6target triple = "i386--netbsd" 7 8; CHECK-LABEL: fn1 9; CHECK: addl {{.*#+}} 4-byte Folded Reload 10; CHECK: addl {{.*#+}} 4-byte Folded Reload 11; CHECK: imull {{.*#+}} 4-byte Folded Reload 12; CHECK: orl {{.*#+}} 4-byte Folded Reload 13; CHECK: retl 14 15%struct.XXH_state64_t = type { i32, i32, i64, i64, i64 } 16 17@a = common global i32 0, align 4 18@b = common global i64 0, align 8 19 20; Function Attrs: nounwind uwtable 21define i64 @fn1() #0 { 22entry: 23 %0 = load i32, i32* @a, align 4, !tbaa !1 24 %1 = inttoptr i32 %0 to %struct.XXH_state64_t* 25 %total_len = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 0 26 %2 = load i32, i32* %total_len, align 4, !tbaa !5 27 %tobool = icmp eq i32 %2, 0 28 br i1 %tobool, label %if.else, label %if.then 29 30if.then: ; preds = %entry 31 %v3 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 3 32 %3 = load i64, i64* %v3, align 4, !tbaa !8 33 %v4 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 4 34 %4 = load i64, i64* %v4, align 4, !tbaa !9 35 %v2 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 2 36 %5 = load i64, i64* %v2, align 4, !tbaa !10 37 %shl = shl i64 %5, 1 38 %or = or i64 %shl, %5 39 %shl2 = shl i64 %3, 2 40 %shr = lshr i64 %3, 1 41 %or3 = or i64 %shl2, %shr 42 %add = add i64 %or, %or3 43 %mul = mul i64 %4, -4417276706812531889 44 %shl4 = mul i64 %4, -8834553413625063778 45 %shr5 = ashr i64 %mul, 3 46 %or6 = or i64 %shr5, %shl4 47 %mul7 = mul nsw i64 %or6, 1400714785074694791 48 %xor = xor i64 %add, %mul7 49 store i64 %xor, i64* @b, align 8, !tbaa !11 50 %mul8 = mul nsw i64 %xor, 1400714785074694791 51 br label %if.end 52 53if.else: ; preds = %entry 54 %6 = load i64, i64* @b, align 8, !tbaa !11 55 %xor10 = xor i64 %6, -4417276706812531889 56 %mul11 = mul nsw i64 %xor10, 400714785074694791 57 br label %if.end 58 59if.end: ; preds = %if.else, %if.then 60 %storemerge.in = phi i64 [ %mul11, %if.else ], [ %mul8, %if.then ] 61 %storemerge = add i64 %storemerge.in, -8796714831421723037 62 store i64 %storemerge, i64* @b, align 8, !tbaa !11 63 ret i64 undef 64} 65 66attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 67 68!llvm.ident = !{!0} 69 70!0 = !{!"clang version 3.6 (trunk 219587)"} 71!1 = !{!2, !2, i64 0} 72!2 = !{!"int", !3, i64 0} 73!3 = !{!"omnipotent char", !4, i64 0} 74!4 = !{!"Simple C/C++ TBAA"} 75!5 = !{!6, !2, i64 0} 76!6 = !{!"XXH_state64_t", !2, i64 0, !2, i64 4, !7, i64 8, !7, i64 16, !7, i64 24} 77!7 = !{!"long long", !3, i64 0} 78!8 = !{!6, !7, i64 16} 79!9 = !{!6, !7, i64 24} 80!10 = !{!6, !7, i64 8} 81!11 = !{!7, !7, i64 0} 82