| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -mtriple=i386--netbsd < %s | FileCheck %s |
| |
| ; Regression test for http://reviews.llvm.org/D5701 |
| |
| %struct.XXH_state64_t = type { i32, i32, i64, i64, i64 } |
| |
| @a = common global i32 0, align 4 |
| @b = common global i64 0, align 8 |
| |
| ; Function Attrs: nounwind uwtable |
| define i64 @fn1() #0 { |
| ; CHECK-LABEL: fn1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pushl %ebp |
| ; CHECK-NEXT: .cfi_def_cfa_offset 8 |
| ; CHECK-NEXT: .cfi_offset %ebp, -8 |
| ; CHECK-NEXT: movl %esp, %ebp |
| ; CHECK-NEXT: .cfi_def_cfa_register %ebp |
| ; CHECK-NEXT: pushl %ebx |
| ; CHECK-NEXT: pushl %edi |
| ; CHECK-NEXT: pushl %esi |
| ; CHECK-NEXT: subl $12, %esp |
| ; CHECK-NEXT: .cfi_offset %esi, -20 |
| ; CHECK-NEXT: .cfi_offset %edi, -16 |
| ; CHECK-NEXT: .cfi_offset %ebx, -12 |
| ; CHECK-NEXT: movl $-1028477379, %ebx # imm = 0xC2B2AE3D |
| ; CHECK-NEXT: movl $668265295, %ecx # imm = 0x27D4EB4F |
| ; CHECK-NEXT: movl a, %edi |
| ; CHECK-NEXT: cmpl $0, (%edi) |
| ; CHECK-NEXT: je .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: movl 8(%edi), %esi |
| ; CHECK-NEXT: movl 12(%edi), %eax |
| ; CHECK-NEXT: movl %eax, %edx |
| ; CHECK-NEXT: shldl $1, %esi, %edx |
| ; CHECK-NEXT: orl %eax, %edx |
| ; CHECK-NEXT: leal (%esi,%esi), %eax |
| ; CHECK-NEXT: orl %esi, %eax |
| ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill |
| ; CHECK-NEXT: movl 16(%edi), %ebx |
| ; CHECK-NEXT: movl 20(%edi), %esi |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: shldl $2, %ebx, %eax |
| ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill |
| ; CHECK-NEXT: movl %ebx, %eax |
| ; CHECK-NEXT: movl %esi, %ebx |
| ; CHECK-NEXT: shldl $31, %eax, %ebx |
| ; CHECK-NEXT: shll $2, %eax |
| ; CHECK-NEXT: orl %ebx, %eax |
| ; CHECK-NEXT: shrl %esi |
| ; CHECK-NEXT: orl {{[-0-9]+}}(%e{{[sb]}}p), %esi # 4-byte Folded Reload |
| ; CHECK-NEXT: addl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Folded Reload |
| ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill |
| ; CHECK-NEXT: adcl %edx, %esi |
| ; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill |
| ; CHECK-NEXT: movl 24(%edi), %eax |
| ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill |
| ; CHECK-NEXT: movl $-1028477379, %ebx # imm = 0xC2B2AE3D |
| ; CHECK-NEXT: imull %eax, %ebx |
| ; CHECK-NEXT: mull %ecx |
| ; CHECK-NEXT: movl %eax, %esi |
| ; CHECK-NEXT: addl %ebx, %edx |
| ; CHECK-NEXT: movl 28(%edi), %edi |
| ; CHECK-NEXT: imull %edi, %ecx |
| ; CHECK-NEXT: addl %edx, %ecx |
| ; CHECK-NEXT: movl $1336530590, %edx # imm = 0x4FA9D69E |
| ; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ebx # 4-byte Reload |
| ; CHECK-NEXT: movl %ebx, %eax |
| ; CHECK-NEXT: mull %edx |
| ; CHECK-NEXT: imull $-2056954758, %ebx, %ebx # imm = 0x85655C7A |
| ; CHECK-NEXT: addl %edx, %ebx |
| ; CHECK-NEXT: imull $1336530590, %edi, %edx # imm = 0x4FA9D69E |
| ; CHECK-NEXT: addl %ebx, %edx |
| ; CHECK-NEXT: shrdl $3, %ecx, %esi |
| ; CHECK-NEXT: sarl $3, %ecx |
| ; CHECK-NEXT: orl %edx, %ecx |
| ; CHECK-NEXT: orl %eax, %esi |
| ; CHECK-NEXT: movl $-66860409, %ebx # imm = 0xFC03CA87 |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: mull %ebx |
| ; CHECK-NEXT: movl %eax, %edi |
| ; CHECK-NEXT: imull $326129324, %esi, %eax # imm = 0x137056AC |
| ; CHECK-NEXT: addl %edx, %eax |
| ; CHECK-NEXT: imull $-66860409, %ecx, %ecx # imm = 0xFC03CA87 |
| ; CHECK-NEXT: addl %eax, %ecx |
| ; CHECK-NEXT: xorl {{[-0-9]+}}(%e{{[sb]}}p), %ecx # 4-byte Folded Reload |
| ; CHECK-NEXT: xorl {{[-0-9]+}}(%e{{[sb]}}p), %edi # 4-byte Folded Reload |
| ; CHECK-NEXT: movl %edi, b |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: mull %ebx |
| ; CHECK-NEXT: imull $326129324, %edi, %esi # imm = 0x137056AC |
| ; CHECK-NEXT: addl %edx, %esi |
| ; CHECK-NEXT: movl %ecx, b+4 |
| ; CHECK-NEXT: imull $-66860409, %ecx, %ecx # imm = 0xFC03CA87 |
| ; CHECK-NEXT: jmp .LBB0_3 |
| ; CHECK-NEXT: .LBB0_2: # %if.else |
| ; CHECK-NEXT: xorl b+4, %ebx |
| ; CHECK-NEXT: xorl b, %ecx |
| ; CHECK-NEXT: movl $1419758215, %edx # imm = 0x549FCA87 |
| ; CHECK-NEXT: movl %ecx, %eax |
| ; CHECK-NEXT: mull %edx |
| ; CHECK-NEXT: imull $93298681, %ecx, %esi # imm = 0x58F9FF9 |
| ; CHECK-NEXT: addl %edx, %esi |
| ; CHECK-NEXT: imull $1419758215, %ebx, %ecx # imm = 0x549FCA87 |
| ; CHECK-NEXT: .LBB0_3: # %if.end |
| ; CHECK-NEXT: addl %esi, %ecx |
| ; CHECK-NEXT: addl $-1028477341, %eax # imm = 0xC2B2AE63 |
| ; CHECK-NEXT: adcl $-2048144777, %ecx # imm = 0x85EBCA77 |
| ; CHECK-NEXT: movl %eax, b |
| ; CHECK-NEXT: movl %ecx, b+4 |
| ; CHECK-NEXT: addl $12, %esp |
| ; CHECK-NEXT: popl %esi |
| ; CHECK-NEXT: popl %edi |
| ; CHECK-NEXT: popl %ebx |
| ; CHECK-NEXT: popl %ebp |
| ; CHECK-NEXT: .cfi_def_cfa %esp, 4 |
| ; CHECK-NEXT: retl |
| entry: |
| %0 = load i32, ptr @a, align 4, !tbaa !1 |
| %1 = inttoptr i32 %0 to ptr |
| %2 = load i32, ptr %1, align 4, !tbaa !5 |
| %tobool = icmp eq i32 %2, 0 |
| br i1 %tobool, label %if.else, label %if.then |
| |
| if.then: ; preds = %entry |
| %v3 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 3 |
| %3 = load i64, ptr %v3, align 4, !tbaa !8 |
| %v4 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 4 |
| %4 = load i64, ptr %v4, align 4, !tbaa !9 |
| %v2 = getelementptr inbounds %struct.XXH_state64_t, ptr %1, i32 0, i32 2 |
| %5 = load i64, ptr %v2, align 4, !tbaa !10 |
| %shl = shl i64 %5, 1 |
| %or = or i64 %shl, %5 |
| %shl2 = shl i64 %3, 2 |
| %shr = lshr i64 %3, 1 |
| %or3 = or i64 %shl2, %shr |
| %add = add i64 %or, %or3 |
| %mul = mul i64 %4, -4417276706812531889 |
| %shl4 = mul i64 %4, -8834553413625063778 |
| %shr5 = ashr i64 %mul, 3 |
| %or6 = or i64 %shr5, %shl4 |
| %mul7 = mul nsw i64 %or6, 1400714785074694791 |
| %xor = xor i64 %add, %mul7 |
| store i64 %xor, ptr @b, align 8, !tbaa !11 |
| %mul8 = mul nsw i64 %xor, 1400714785074694791 |
| br label %if.end |
| |
| if.else: ; preds = %entry |
| %6 = load i64, ptr @b, align 8, !tbaa !11 |
| %xor10 = xor i64 %6, -4417276706812531889 |
| %mul11 = mul nsw i64 %xor10, 400714785074694791 |
| br label %if.end |
| |
| if.end: ; preds = %if.else, %if.then |
| %storemerge.in = phi i64 [ %mul11, %if.else ], [ %mul8, %if.then ] |
| %storemerge = add i64 %storemerge.in, -8796714831421723037 |
| store i64 %storemerge, ptr @b, align 8, !tbaa !11 |
| ret i64 undef |
| } |
| |
| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.ident = !{!0} |
| |
| !0 = !{!"clang version 3.6 (trunk 219587)"} |
| !1 = !{!2, !2, i64 0} |
| !2 = !{!"int", !3, i64 0} |
| !3 = !{!"omnipotent char", !4, i64 0} |
| !4 = !{!"Simple C/C++ TBAA"} |
| !5 = !{!6, !2, i64 0} |
| !6 = !{!"XXH_state64_t", !2, i64 0, !2, i64 4, !7, i64 8, !7, i64 16, !7, i64 24} |
| !7 = !{!"long long", !3, i64 0} |
| !8 = !{!6, !7, i64 16} |
| !9 = !{!6, !7, i64 24} |
| !10 = !{!6, !7, i64 8} |
| !11 = !{!7, !7, i64 0} |