; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=X64 ; RUN: llc < %s -mtriple=x86_64-pc-linux-gnux32 | FileCheck %s --check-prefix=X64 ; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s --check-prefix=X86 define i32 @mul4_32(i32 %A) { ; X64-LABEL: mul4_32: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (,%rdi,4), %eax ; X64-NEXT: retq ; ; X86-LABEL: mul4_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $2, %eax ; X86-NEXT: retl %mul = mul i32 %A, 4 ret i32 %mul } define i64 @mul4_64(i64 %A) { ; X64-LABEL: mul4_64: ; X64: # %bb.0: ; X64-NEXT: leaq (,%rdi,4), %rax ; X64-NEXT: retq ; ; X86-LABEL: mul4_64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: shldl $2, %eax, %edx ; X86-NEXT: shll $2, %eax ; X86-NEXT: retl %mul = mul i64 %A, 4 ret i64 %mul } define i32 @mul4096_32(i32 %A) { ; X64-LABEL: mul4096_32: ; X64: # %bb.0: ; X64-NEXT: shll $12, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: mul4096_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $12, %eax ; X86-NEXT: retl %mul = mul i32 %A, 4096 ret i32 %mul } define i64 @mul4096_64(i64 %A) { ; X64-LABEL: mul4096_64: ; X64: # %bb.0: ; X64-NEXT: shlq $12, %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: mul4096_64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: shldl $12, %eax, %edx ; X86-NEXT: shll $12, %eax ; X86-NEXT: retl %mul = mul i64 %A, 4096 ret i64 %mul } define i32 @mulmin4096_32(i32 %A) { ; X64-LABEL: mulmin4096_32: ; X64: # %bb.0: ; X64-NEXT: shll $12, %edi ; X64-NEXT: negl %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: mulmin4096_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $12, %eax ; X86-NEXT: negl %eax ; X86-NEXT: retl %mul = mul i32 %A, -4096 ret i32 %mul } define i64 @mulmin4096_64(i64 %A) { ; X64-LABEL: mulmin4096_64: ; X64: # %bb.0: ; X64-NEXT: shlq $12, %rdi ; X64-NEXT: negq %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: mulmin4096_64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: shldl $12, %eax, %ecx ; X86-NEXT: shll $12, %eax ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: negl %eax ; X86-NEXT: sbbl %ecx, %edx ; X86-NEXT: retl %mul = mul i64 %A, -4096 ret i64 %mul } define i32 @mul3_32(i32 %A) { ; X64-LABEL: mul3_32: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (%rdi,%rdi,2), %eax ; X64-NEXT: retq ; ; X86-LABEL: mul3_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: leal (%eax,%eax,2), %eax ; X86-NEXT: retl ; But why?! %mul = mul i32 %A, 3 ret i32 %mul } define i64 @mul3_64(i64 %A) { ; X64-LABEL: mul3_64: ; X64: # %bb.0: ; X64-NEXT: leaq (%rdi,%rdi,2), %rax ; X64-NEXT: retq ; ; X86-LABEL: mul3_64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: leal (%eax,%eax,2), %ecx ; X86-NEXT: movl $3, %eax ; X86-NEXT: mull {{[0-9]+}}(%esp) ; X86-NEXT: addl %ecx, %edx ; X86-NEXT: retl %mul = mul i64 %A, 3 ret i64 %mul } define i32 @mul40_32(i32 %A) { ; X64-LABEL: mul40_32: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: shll $3, %edi ; X64-NEXT: leal (%rdi,%rdi,4), %eax ; X64-NEXT: retq ; ; X86-LABEL: mul40_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $3, %eax ; X86-NEXT: leal (%eax,%eax,4), %eax ; X86-NEXT: retl %mul = mul i32 %A, 40 ret i32 %mul } define i64 @mul40_64(i64 %A) { ; X64-LABEL: mul40_64: ; X64: # %bb.0: ; X64-NEXT: shlq $3, %rdi ; X64-NEXT: leaq (%rdi,%rdi,4), %rax ; X64-NEXT: retq ; ; X86-LABEL: mul40_64: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: leal (%eax,%eax,4), %ecx ; X86-NEXT: movl $40, %eax ; X86-NEXT: mull {{[0-9]+}}(%esp) ; X86-NEXT: leal (%edx,%ecx,8), %edx ; X86-NEXT: retl %mul = mul i64 %A, 40 ret i64 %mul } define i32 @mul4_32_minsize(i32 %A) minsize { ; X64-LABEL: mul4_32_minsize: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: leal (,%rdi,4), %eax ; X64-NEXT: retq ; ; X86-LABEL: mul4_32_minsize: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shll $2, %eax ; X86-NEXT: retl %mul = mul i32 %A, 4 ret i32 %mul } define i32 @mul40_32_minsize(i32 %A) minsize { ; X64-LABEL: mul40_32_minsize: ; X64: # %bb.0: ; X64-NEXT: imull $40, %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: mul40_32_minsize: ; X86: # %bb.0: ; X86-NEXT: imull $40, {{[0-9]+}}(%esp), %eax ; X86-NEXT: retl %mul = mul i32 %A, 40 ret i32 %mul } define i32 @mul33_32(i32 %A) { ; X64-LABEL: mul33_32: ; X64: # %bb.0: ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: leal (%rax,%rdi), %eax ; X64-NEXT: retq ; ; X86-LABEL: mul33_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: addl %ecx, %eax ; X86-NEXT: retl %mul = mul i32 %A, 33 ret i32 %mul } define i32 @mul31_32(i32 %A) { ; X64-LABEL: mul31_32: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: subl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: mul31_32: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: retl %mul = mul i32 %A, 31 ret i32 %mul } define i32 @mul0_32(i32 %A) { ; X64-LABEL: mul0_32: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq ; ; X86-LABEL: mul0_32: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: retl %mul = mul i32 %A, 0 ret i32 %mul } define i32 @mul4294967295_32(i32 %A) { ; X64-LABEL: mul4294967295_32: ; X64: # %bb.0: ; X64-NEXT: negl %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: mul4294967295_32: ; X86: # %bb.0: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: retl %mul = mul i32 %A, 4294967295 ret i32 %mul } define i64 @mul18446744073709551615_64(i64 %A) { ; X64-LABEL: mul18446744073709551615_64: ; X64: # %bb.0: ; X64-NEXT: negq %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: mul18446744073709551615_64: ; X86: # %bb.0: ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: subl {{[0-9]+}}(%esp), %eax ; X86-NEXT: sbbl {{[0-9]+}}(%esp), %edx ; X86-NEXT: retl %mul = mul i64 %A, 18446744073709551615 ret i64 %mul } define i32 @test(i32 %a) { ; X64-LABEL: test: ; X64: # %bb.0: # %entry ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: subl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: test: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: retl entry: %tmp3 = mul i32 %a, 31 ret i32 %tmp3 } define i32 @test1(i32 %a) { ; X64-LABEL: test1: ; X64: # %bb.0: # %entry ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: subl %eax, %edi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: retq ; ; X86-LABEL: test1: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: shll $5, %ecx ; X86-NEXT: subl %ecx, %eax ; X86-NEXT: retl entry: %tmp3 = mul i32 %a, -31 ret i32 %tmp3 } define i32 @test2(i32 %a) { ; X64-LABEL: test2: ; X64: # %bb.0: # %entry ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: leal (%rax,%rdi), %eax ; X64-NEXT: retq ; ; X86-LABEL: test2: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: addl %ecx, %eax ; X86-NEXT: retl entry: %tmp3 = mul i32 %a, 33 ret i32 %tmp3 } define i32 @test3(i32 %a) { ; X64-LABEL: test3: ; X64: # %bb.0: # %entry ; X64-NEXT: # kill: def $edi killed $edi def $rdi ; X64-NEXT: movl %edi, %eax ; X64-NEXT: shll $5, %eax ; X64-NEXT: leal (%rax,%rdi), %eax ; X64-NEXT: negl %eax ; X64-NEXT: retq ; ; X86-LABEL: test3: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: addl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: retl entry: %tmp3 = mul i32 %a, -33 ret i32 %tmp3 } define i64 @test4(i64 %a) { ; X64-LABEL: test4: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $5, %rax ; X64-NEXT: subq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: test4: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: shll $5, %ecx ; X86-NEXT: subl %eax, %ecx ; X86-NEXT: movl $31, %eax ; X86-NEXT: mull {{[0-9]+}}(%esp) ; X86-NEXT: addl %ecx, %edx ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, 31 ret i64 %tmp3 } define i64 @test5(i64 %a) { ; X64-LABEL: test5: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $5, %rax ; X64-NEXT: subq %rax, %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: test5: ; X86: # %bb.0: # %entry ; X86-NEXT: pushl %esi ; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_offset %esi, -8 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl %esi, %eax ; X86-NEXT: shll $5, %eax ; X86-NEXT: subl %eax, %esi ; X86-NEXT: movl $-31, %edx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: mull %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: addl %esi, %edx ; X86-NEXT: popl %esi ; X86-NEXT: .cfi_def_cfa_offset 4 ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, -31 ret i64 %tmp3 } define i64 @test6(i64 %a) { ; X64-LABEL: test6: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $5, %rax ; X64-NEXT: leaq (%rax,%rdi), %rax ; X64-NEXT: retq ; ; X86-LABEL: test6: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %ecx ; X86-NEXT: shll $5, %ecx ; X86-NEXT: addl %eax, %ecx ; X86-NEXT: movl $33, %eax ; X86-NEXT: mull {{[0-9]+}}(%esp) ; X86-NEXT: addl %ecx, %edx ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, 33 ret i64 %tmp3 } define i64 @test7(i64 %a) { ; X64-LABEL: test7: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $5, %rax ; X64-NEXT: leaq (%rax,%rdi), %rax ; X64-NEXT: negq %rax ; X64-NEXT: retq ; ; X86-LABEL: test7: ; X86: # %bb.0: # %entry ; X86-NEXT: pushl %esi ; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_offset %esi, -8 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl %eax, %esi ; X86-NEXT: shll $5, %esi ; X86-NEXT: addl %eax, %esi ; X86-NEXT: movl $-33, %edx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: mull %edx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: subl %esi, %edx ; X86-NEXT: popl %esi ; X86-NEXT: .cfi_def_cfa_offset 4 ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, -33 ret i64 %tmp3 } define i64 @testOverflow(i64 %a) { ; X64-LABEL: testOverflow: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $63, %rax ; X64-NEXT: subq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: testOverflow: ; X86: # %bb.0: # %entry ; X86-NEXT: pushl %esi ; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_offset %esi, -8 ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl $-1, %edx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: mull %edx ; X86-NEXT: movl %ecx, %esi ; X86-NEXT: shll $31, %esi ; X86-NEXT: subl %ecx, %esi ; X86-NEXT: addl %esi, %edx ; X86-NEXT: subl {{[0-9]+}}(%esp), %edx ; X86-NEXT: popl %esi ; X86-NEXT: .cfi_def_cfa_offset 4 ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, 9223372036854775807 ret i64 %tmp3 } define i64 @testNegOverflow(i64 %a) { ; X64-LABEL: testNegOverflow: ; X64: # %bb.0: # %entry ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: shlq $63, %rax ; X64-NEXT: subq %rax, %rdi ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: retq ; ; X86-LABEL: testNegOverflow: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl $1, %edx ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: mull %edx ; X86-NEXT: shll $31, %ecx ; X86-NEXT: addl %ecx, %edx ; X86-NEXT: addl {{[0-9]+}}(%esp), %edx ; X86-NEXT: retl entry: %tmp3 = mul i64 %a, -9223372036854775807 ret i64 %tmp3 }