460 lines
13 KiB
LLVM
460 lines
13 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-pc-linux-gnu | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=X64 --check-prefix=X64-FAST
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; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu -mattr=idivq-to-divl | FileCheck %s --check-prefix=X64 --check-prefix=X64-SLOW
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define zeroext i16 @test1(i16 zeroext %x) nounwind {
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; X32-LABEL: test1:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: imull $63551, %eax, %eax # imm = 0xF83F
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; X32-NEXT: shrl $21, %eax
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test1:
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; X64: # %bb.0: # %entry
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; X64-NEXT: imull $63551, %edi, %eax # imm = 0xF83F
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; X64-NEXT: shrl $21, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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entry:
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%div = udiv i16 %x, 33
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ret i16 %div
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}
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define zeroext i16 @test2(i8 signext %x, i16 zeroext %c) nounwind readnone ssp noredzone {
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; X32-LABEL: test2:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: imull $43691, %eax, %eax # imm = 0xAAAB
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; X32-NEXT: shrl $17, %eax
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: imull $43691, %esi, %eax # imm = 0xAAAB
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; X64-NEXT: shrl $17, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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entry:
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%div = udiv i16 %c, 3
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ret i16 %div
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}
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define zeroext i8 @test3(i8 zeroext %x, i8 zeroext %c) nounwind readnone ssp noredzone {
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; X32-LABEL: test3:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movzbl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: imull $171, %eax, %eax
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; X32-NEXT: shrl $9, %eax
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; X32-NEXT: # kill: def $al killed $al killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test3:
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; X64: # %bb.0: # %entry
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; X64-NEXT: imull $171, %esi, %eax
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; X64-NEXT: shrl $9, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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entry:
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%div = udiv i8 %c, 3
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ret i8 %div
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}
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define signext i16 @test4(i16 signext %x) nounwind {
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; X32-LABEL: test4:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: imull $1986, %eax, %eax # imm = 0x7C2
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl $31, %ecx
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; X32-NEXT: shrl $16, %eax
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test4:
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; X64: # %bb.0: # %entry
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; X64-NEXT: imull $1986, %edi, %eax # imm = 0x7C2
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; X64-NEXT: movl %eax, %ecx
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; X64-NEXT: shrl $31, %ecx
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; X64-NEXT: shrl $16, %eax
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; X64-NEXT: addl %ecx, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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entry:
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%div = sdiv i16 %x, 33 ; <i32> [#uses=1]
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ret i16 %div
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}
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define i32 @test5(i32 %A) nounwind {
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; X32-LABEL: test5:
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; X32: # %bb.0:
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; X32-NEXT: movl $365384439, %eax # imm = 0x15C752F7
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; X32-NEXT: mull {{[0-9]+}}(%esp)
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; X32-NEXT: movl %edx, %eax
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; X32-NEXT: shrl $27, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test5:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: imulq $365384439, %rax, %rax # imm = 0x15C752F7
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; X64-NEXT: shrq $59, %rax
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; X64-NEXT: # kill: def $eax killed $eax killed $rax
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; X64-NEXT: retq
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%tmp1 = udiv i32 %A, 1577682821 ; <i32> [#uses=1]
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ret i32 %tmp1
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}
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define signext i16 @test6(i16 signext %x) nounwind {
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; X32-LABEL: test6:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movswl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: imull $26215, %eax, %eax # imm = 0x6667
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; X32-NEXT: movl %eax, %ecx
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; X32-NEXT: shrl $31, %ecx
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; X32-NEXT: sarl $18, %eax
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: # kill: def $ax killed $ax killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test6:
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; X64: # %bb.0: # %entry
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; X64-NEXT: imull $26215, %edi, %eax # imm = 0x6667
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; X64-NEXT: movl %eax, %ecx
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; X64-NEXT: shrl $31, %ecx
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; X64-NEXT: sarl $18, %eax
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; X64-NEXT: addl %ecx, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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entry:
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%div = sdiv i16 %x, 10
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ret i16 %div
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}
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define i32 @test7(i32 %x) nounwind {
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; X32-LABEL: test7:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shrl $2, %eax
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; X32-NEXT: movl $613566757, %ecx # imm = 0x24924925
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; X32-NEXT: mull %ecx
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; X32-NEXT: movl %edx, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test7:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: shrl $2, %edi
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; X64-NEXT: imulq $613566757, %rdi, %rax # imm = 0x24924925
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; X64-NEXT: shrq $32, %rax
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; X64-NEXT: # kill: def $eax killed $eax killed $rax
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; X64-NEXT: retq
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%div = udiv i32 %x, 28
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ret i32 %div
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}
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; PR13326
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define i8 @test8(i8 %x) nounwind {
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; X32-LABEL: test8:
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; X32: # %bb.0:
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; X32-NEXT: movb {{[0-9]+}}(%esp), %al
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; X32-NEXT: shrb %al
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; X32-NEXT: movzbl %al, %eax
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; X32-NEXT: imull $211, %eax, %eax
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; X32-NEXT: shrl $13, %eax
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; X32-NEXT: # kill: def $al killed $al killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test8:
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; X64: # %bb.0:
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; X64-NEXT: shrb %dil
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; X64-NEXT: movzbl %dil, %eax
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; X64-NEXT: imull $211, %eax, %eax
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; X64-NEXT: shrl $13, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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%div = udiv i8 %x, 78
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ret i8 %div
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}
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define i8 @test9(i8 %x) nounwind {
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; X32-LABEL: test9:
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; X32: # %bb.0:
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; X32-NEXT: movb {{[0-9]+}}(%esp), %al
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; X32-NEXT: shrb $2, %al
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; X32-NEXT: movzbl %al, %eax
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; X32-NEXT: imull $71, %eax, %eax
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; X32-NEXT: shrl $11, %eax
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; X32-NEXT: # kill: def $al killed $al killed $eax
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; X32-NEXT: retl
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;
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; X64-LABEL: test9:
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; X64: # %bb.0:
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; X64-NEXT: shrb $2, %dil
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; X64-NEXT: movzbl %dil, %eax
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; X64-NEXT: imull $71, %eax, %eax
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; X64-NEXT: shrl $11, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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%div = udiv i8 %x, 116
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ret i8 %div
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}
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define i32 @testsize1(i32 %x) minsize nounwind {
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; X32-LABEL: testsize1:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: pushl $32
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; X32-NEXT: popl %ecx
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; X32-NEXT: cltd
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; X32-NEXT: idivl %ecx
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; X32-NEXT: retl
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;
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; X64-LABEL: testsize1:
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; X64: # %bb.0: # %entry
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: pushq $32
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; X64-NEXT: popq %rcx
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; X64-NEXT: cltd
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; X64-NEXT: idivl %ecx
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; X64-NEXT: retq
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entry:
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%div = sdiv i32 %x, 32
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ret i32 %div
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}
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define i32 @testsize2(i32 %x) minsize nounwind {
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; X32-LABEL: testsize2:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: pushl $33
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; X32-NEXT: popl %ecx
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; X32-NEXT: cltd
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; X32-NEXT: idivl %ecx
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; X32-NEXT: retl
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;
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; X64-LABEL: testsize2:
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; X64: # %bb.0: # %entry
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: pushq $33
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; X64-NEXT: popq %rcx
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; X64-NEXT: cltd
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; X64-NEXT: idivl %ecx
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; X64-NEXT: retq
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entry:
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%div = sdiv i32 %x, 33
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ret i32 %div
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}
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define i32 @testsize3(i32 %x) minsize nounwind {
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; X32-LABEL: testsize3:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: shrl $5, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: testsize3:
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; X64: # %bb.0: # %entry
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl $5, %eax
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; X64-NEXT: retq
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entry:
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%div = udiv i32 %x, 32
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ret i32 %div
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}
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define i32 @testsize4(i32 %x) minsize nounwind {
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; X32-LABEL: testsize4:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: pushl $33
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; X32-NEXT: popl %ecx
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; X32-NEXT: xorl %edx, %edx
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; X32-NEXT: divl %ecx
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; X32-NEXT: retl
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;
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; X64-LABEL: testsize4:
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; X64: # %bb.0: # %entry
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: pushq $33
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; X64-NEXT: popq %rcx
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; X64-NEXT: xorl %edx, %edx
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; X64-NEXT: divl %ecx
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; X64-NEXT: retq
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entry:
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%div = udiv i32 %x, 33
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ret i32 %div
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}
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define i64 @PR23590(i64 %x) nounwind {
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; X32-LABEL: PR23590:
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; X32: # %bb.0: # %entry
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; X32-NEXT: subl $12, %esp
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; X32-NEXT: pushl $0
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; X32-NEXT: pushl $12345 # imm = 0x3039
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; X32-NEXT: pushl {{[0-9]+}}(%esp)
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; X32-NEXT: pushl {{[0-9]+}}(%esp)
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; X32-NEXT: calll __umoddi3
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; X32-NEXT: addl $16, %esp
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; X32-NEXT: pushl $0
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; X32-NEXT: pushl $7
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; X32-NEXT: pushl %edx
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; X32-NEXT: pushl %eax
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; X32-NEXT: calll __udivdi3
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; X32-NEXT: addl $28, %esp
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; X32-NEXT: retl
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;
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; X64-FAST-LABEL: PR23590:
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; X64-FAST: # %bb.0: # %entry
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; X64-FAST-NEXT: movabsq $6120523590596543007, %rcx # imm = 0x54F077C718E7C21F
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; X64-FAST-NEXT: movq %rdi, %rax
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; X64-FAST-NEXT: mulq %rcx
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; X64-FAST-NEXT: shrq $12, %rdx
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; X64-FAST-NEXT: imulq $12345, %rdx, %rax # imm = 0x3039
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; X64-FAST-NEXT: subq %rax, %rdi
|
||
|
|
; X64-FAST-NEXT: movabsq $2635249153387078803, %rcx # imm = 0x2492492492492493
|
||
|
|
; X64-FAST-NEXT: movq %rdi, %rax
|
||
|
|
; X64-FAST-NEXT: mulq %rcx
|
||
|
|
; X64-FAST-NEXT: subq %rdx, %rdi
|
||
|
|
; X64-FAST-NEXT: shrq %rdi
|
||
|
|
; X64-FAST-NEXT: leaq (%rdi,%rdx), %rax
|
||
|
|
; X64-FAST-NEXT: shrq $2, %rax
|
||
|
|
; X64-FAST-NEXT: retq
|
||
|
|
;
|
||
|
|
; X64-SLOW-LABEL: PR23590:
|
||
|
|
; X64-SLOW: # %bb.0: # %entry
|
||
|
|
; X64-SLOW-NEXT: movabsq $6120523590596543007, %rcx # imm = 0x54F077C718E7C21F
|
||
|
|
; X64-SLOW-NEXT: movq %rdi, %rax
|
||
|
|
; X64-SLOW-NEXT: mulq %rcx
|
||
|
|
; X64-SLOW-NEXT: shrq $12, %rdx
|
||
|
|
; X64-SLOW-NEXT: imulq $12345, %rdx, %rax # imm = 0x3039
|
||
|
|
; X64-SLOW-NEXT: subq %rax, %rdi
|
||
|
|
; X64-SLOW-NEXT: imulq $613566757, %rdi, %rax # imm = 0x24924925
|
||
|
|
; X64-SLOW-NEXT: shrq $32, %rax
|
||
|
|
; X64-SLOW-NEXT: subl %eax, %edi
|
||
|
|
; X64-SLOW-NEXT: shrl %edi
|
||
|
|
; X64-SLOW-NEXT: addl %eax, %edi
|
||
|
|
; X64-SLOW-NEXT: shrl $2, %edi
|
||
|
|
; X64-SLOW-NEXT: movq %rdi, %rax
|
||
|
|
; X64-SLOW-NEXT: retq
|
||
|
|
entry:
|
||
|
|
%rem = urem i64 %x, 12345
|
||
|
|
%div = udiv i64 %rem, 7
|
||
|
|
ret i64 %div
|
||
|
|
}
|
||
|
|
|
||
|
|
define { i64, i32 } @PR38622(i64) nounwind {
|
||
|
|
; X32-LABEL: PR38622:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: pushl %edi
|
||
|
|
; X32-NEXT: pushl %esi
|
||
|
|
; X32-NEXT: subl $12, %esp
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
|
||
|
|
; X32-NEXT: pushl $0
|
||
|
|
; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: calll __udivdi3
|
||
|
|
; X32-NEXT: addl $16, %esp
|
||
|
|
; X32-NEXT: movl %eax, %esi
|
||
|
|
; X32-NEXT: movl %edx, %edi
|
||
|
|
; X32-NEXT: pushl $0
|
||
|
|
; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: calll __umoddi3
|
||
|
|
; X32-NEXT: addl $16, %esp
|
||
|
|
; X32-NEXT: movl %eax, %ecx
|
||
|
|
; X32-NEXT: movl %esi, %eax
|
||
|
|
; X32-NEXT: movl %edi, %edx
|
||
|
|
; X32-NEXT: addl $12, %esp
|
||
|
|
; X32-NEXT: popl %esi
|
||
|
|
; X32-NEXT: popl %edi
|
||
|
|
; X32-NEXT: popl %ebx
|
||
|
|
; X32-NEXT: popl %ebp
|
||
|
|
; X32-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-LABEL: PR38622:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: movq %rdi, %rax
|
||
|
|
; X64-NEXT: shrq $11, %rax
|
||
|
|
; X64-NEXT: movabsq $4835703278458517, %rcx # imm = 0x112E0BE826D695
|
||
|
|
; X64-NEXT: mulq %rcx
|
||
|
|
; X64-NEXT: movq %rdx, %rax
|
||
|
|
; X64-NEXT: shrq $9, %rax
|
||
|
|
; X64-NEXT: imull $-294967296, %eax, %ecx # imm = 0xEE6B2800
|
||
|
|
; X64-NEXT: subl %ecx, %edi
|
||
|
|
; X64-NEXT: movl %edi, %edx
|
||
|
|
; X64-NEXT: retq
|
||
|
|
%2 = udiv i64 %0, 4000000000
|
||
|
|
%3 = urem i64 %0, 4000000000
|
||
|
|
%4 = trunc i64 %3 to i32
|
||
|
|
%5 = insertvalue { i64, i32 } undef, i64 %2, 0
|
||
|
|
%6 = insertvalue { i64, i32 } %5, i32 %4, 1
|
||
|
|
ret { i64, i32 } %6
|
||
|
|
}
|
||
|
|
|
||
|
|
define { i64, i32 } @PR38622_signed(i64) nounwind {
|
||
|
|
; X32-LABEL: PR38622_signed:
|
||
|
|
; X32: # %bb.0:
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: pushl %edi
|
||
|
|
; X32-NEXT: pushl %esi
|
||
|
|
; X32-NEXT: subl $12, %esp
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ebx
|
||
|
|
; X32-NEXT: movl {{[0-9]+}}(%esp), %ebp
|
||
|
|
; X32-NEXT: pushl $0
|
||
|
|
; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: calll __divdi3
|
||
|
|
; X32-NEXT: addl $16, %esp
|
||
|
|
; X32-NEXT: movl %eax, %esi
|
||
|
|
; X32-NEXT: movl %edx, %edi
|
||
|
|
; X32-NEXT: pushl $0
|
||
|
|
; X32-NEXT: pushl $-294967296 # imm = 0xEE6B2800
|
||
|
|
; X32-NEXT: pushl %ebp
|
||
|
|
; X32-NEXT: pushl %ebx
|
||
|
|
; X32-NEXT: calll __moddi3
|
||
|
|
; X32-NEXT: addl $16, %esp
|
||
|
|
; X32-NEXT: movl %eax, %ecx
|
||
|
|
; X32-NEXT: movl %esi, %eax
|
||
|
|
; X32-NEXT: movl %edi, %edx
|
||
|
|
; X32-NEXT: addl $12, %esp
|
||
|
|
; X32-NEXT: popl %esi
|
||
|
|
; X32-NEXT: popl %edi
|
||
|
|
; X32-NEXT: popl %ebx
|
||
|
|
; X32-NEXT: popl %ebp
|
||
|
|
; X32-NEXT: retl
|
||
|
|
;
|
||
|
|
; X64-LABEL: PR38622_signed:
|
||
|
|
; X64: # %bb.0:
|
||
|
|
; X64-NEXT: movabsq $1237940039285380275, %rcx # imm = 0x112E0BE826D694B3
|
||
|
|
; X64-NEXT: movq %rdi, %rax
|
||
|
|
; X64-NEXT: imulq %rcx
|
||
|
|
; X64-NEXT: movq %rdx, %rax
|
||
|
|
; X64-NEXT: movq %rdx, %rcx
|
||
|
|
; X64-NEXT: shrq $63, %rcx
|
||
|
|
; X64-NEXT: sarq $28, %rax
|
||
|
|
; X64-NEXT: addq %rcx, %rax
|
||
|
|
; X64-NEXT: imull $-294967296, %eax, %ecx # imm = 0xEE6B2800
|
||
|
|
; X64-NEXT: subl %ecx, %edi
|
||
|
|
; X64-NEXT: movl %edi, %edx
|
||
|
|
; X64-NEXT: retq
|
||
|
|
%2 = sdiv i64 %0, 4000000000
|
||
|
|
%3 = srem i64 %0, 4000000000
|
||
|
|
%4 = trunc i64 %3 to i32
|
||
|
|
%5 = insertvalue { i64, i32 } undef, i64 %2, 0
|
||
|
|
%6 = insertvalue { i64, i32 } %5, i32 %4, 1
|
||
|
|
ret { i64, i32 } %6
|
||
|
|
}
|