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' 5 target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" 6 target triple = "i386--netbsd" 7 8 ; CHECK-LABEL: fn1 9 ; CHECK: shldl {{.*#+}} 4-byte Folded Spill 10 ; CHECK: orl {{.*#+}} 4-byte Folded Reload 11 ; CHECK: shldl {{.*#+}} 4-byte Folded Spill 12 ; CHECK: orl {{.*#+}} 4-byte Folded Reload 13 ; CHECK: addl {{.*#+}} 4-byte Folded Reload 14 ; CHECK: imull {{.*#+}} 4-byte Folded Reload 15 ; CHECK: orl {{.*#+}} 4-byte Folded Reload 16 ; CHECK: retl 17 18 %struct.XXH_state64_t = type { i32, i32, i64, i64, i64 } 19 20 @a = common global i32 0, align 4 21 @b = common global i64 0, align 8 22 23 ; Function Attrs: nounwind uwtable 24 define i64 @fn1() #0 { 25 entry: 26 %0 = load i32, i32* @a, align 4, !tbaa !1 27 %1 = inttoptr i32 %0 to %struct.XXH_state64_t* 28 %total_len = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 0 29 %2 = load i32, i32* %total_len, align 4, !tbaa !5 30 %tobool = icmp eq i32 %2, 0 31 br i1 %tobool, label %if.else, label %if.then 32 33 if.then: ; preds = %entry 34 %v3 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 3 35 %3 = load i64, i64* %v3, align 4, !tbaa !8 36 %v4 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 4 37 %4 = load i64, i64* %v4, align 4, !tbaa !9 38 %v2 = getelementptr inbounds %struct.XXH_state64_t, %struct.XXH_state64_t* %1, i32 0, i32 2 39 %5 = load i64, i64* %v2, align 4, !tbaa !10 40 %shl = shl i64 %5, 1 41 %or = or i64 %shl, %5 42 %shl2 = shl i64 %3, 2 43 %shr = lshr i64 %3, 1 44 %or3 = or i64 %shl2, %shr 45 %add = add i64 %or, %or3 46 %mul = mul i64 %4, -4417276706812531889 47 %shl4 = mul i64 %4, -8834553413625063778 48 %shr5 = ashr i64 %mul, 3 49 %or6 = or i64 %shr5, %shl4 50 %mul7 = mul nsw i64 %or6, 1400714785074694791 51 %xor = xor i64 %add, %mul7 52 store i64 %xor, i64* @b, align 8, !tbaa !11 53 %mul8 = mul nsw i64 %xor, 1400714785074694791 54 br label %if.end 55 56 if.else: ; preds = %entry 57 %6 = load i64, i64* @b, align 8, !tbaa !11 58 %xor10 = xor i64 %6, -4417276706812531889 59 %mul11 = mul nsw i64 %xor10, 400714785074694791 60 br label %if.end 61 62 if.end: ; preds = %if.else, %if.then 63 %storemerge.in = phi i64 [ %mul11, %if.else ], [ %mul8, %if.then ] 64 %storemerge = add i64 %storemerge.in, -8796714831421723037 65 store i64 %storemerge, i64* @b, align 8, !tbaa !11 66 ret i64 undef 67 } 68 69 attributes #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" } 70 71 !llvm.ident = !{!0} 72 73 !0 = !{!"clang version 3.6 (trunk 219587)"} 74 !1 = !{!2, !2, i64 0} 75 !2 = !{!"int", !3, i64 0} 76 !3 = !{!"omnipotent char", !4, i64 0} 77 !4 = !{!"Simple C/C++ TBAA"} 78 !5 = !{!6, !2, i64 0} 79 !6 = !{!"XXH_state64_t", !2, i64 0, !2, i64 4, !7, i64 8, !7, i64 16, !7, i64 24} 80 !7 = !{!"long long", !3, i64 0} 81 !8 = !{!6, !7, i64 16} 82 !9 = !{!6, !7, i64 24} 83 !10 = !{!6, !7, i64 8} 84 !11 = !{!7, !7, i64 0} 85
