| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64 |
| |
| declare {i32, i1} @llvm.umul.with.overflow.i32(i32 %a, i32 %b) |
| |
| define zeroext i1 @a(i32 %x) nounwind { |
| ; X86-LABEL: a: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl $3, %ecx |
| ; X86-NEXT: mull %ecx |
| ; X86-NEXT: seto %al |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: a: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl $3, %ecx |
| ; X64-NEXT: movl %edi, %eax |
| ; X64-NEXT: mull %ecx |
| ; X64-NEXT: seto %al |
| ; X64-NEXT: retq |
| %res = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %x, i32 3) |
| %obil = extractvalue {i32, i1} %res, 1 |
| ret i1 %obil |
| } |
| |
| define i32 @test2(i32 %a, i32 %b) nounwind readnone { |
| ; X86-LABEL: test2: |
| ; X86: # %bb.0: # %entry |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: addl %eax, %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: test2: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: addl %esi, %edi |
| ; X64-NEXT: leal (%rdi,%rdi), %eax |
| ; X64-NEXT: retq |
| entry: |
| %tmp0 = add i32 %b, %a |
| %tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 2) |
| %tmp2 = extractvalue { i32, i1 } %tmp1, 0 |
| ret i32 %tmp2 |
| } |
| |
| define i32 @test3(i32 %a, i32 %b) nounwind readnone { |
| ; X86-LABEL: test3: |
| ; X86: # %bb.0: # %entry |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: addl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl $4, %ecx |
| ; X86-NEXT: mull %ecx |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: test3: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-NEXT: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: leal (%rdi,%rsi), %eax |
| ; X64-NEXT: movl $4, %ecx |
| ; X64-NEXT: mull %ecx |
| ; X64-NEXT: retq |
| entry: |
| %tmp0 = add i32 %b, %a |
| %tmp1 = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %tmp0, i32 4) |
| %tmp2 = extractvalue { i32, i1 } %tmp1, 0 |
| ret i32 %tmp2 |
| } |