|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=X64 | 
|  |  | 
|  | define i8 @test_mul_by_1(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_1: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 1 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_2(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_2: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 2 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_3(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_3: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 3 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_4(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_4: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (,%rdi,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 4 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_5(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_5: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 5 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_6(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_6: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    addl %edi, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 6 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_7(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_7: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (,%rdi,8), %eax | 
|  | ; X64-NEXT:    subl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 7 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_8(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_8: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (,%rdi,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 8 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_9(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_9: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 9 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_10(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_10: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    addl %edi, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 10 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_11(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_11: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 11 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_12(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_12: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    shll $2, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 12 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_13(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_13: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 13 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_14(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_14: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax), %ecx | 
|  | ; X64-NEXT:    shll $4, %eax | 
|  | ; X64-NEXT:    subl %ecx, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $rax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 14 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_15(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_15: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 15 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_16(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_16: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    shlb $4, %al | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 16 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_17(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_17: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    shll $4, %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 17 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_18(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_18: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    addl %edi, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 18 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_19(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_19: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 19 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_20(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_20: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    shll $2, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 20 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_21(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_21: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 21 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_22(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_22: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,4), %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 22 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_23(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_23: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    shll $3, %eax | 
|  | ; X64-NEXT:    subl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 23 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_24(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_24: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    shll $3, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 24 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_25(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_25: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 25 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_26(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_26: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,4), %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 26 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_27(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_27: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 27 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_28(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_28: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,2), %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 28 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_29(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_29: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax,2), %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    addl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 29 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_30(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_30: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax), %ecx | 
|  | ; X64-NEXT:    shll $5, %eax | 
|  | ; X64-NEXT:    subl %ecx, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $rax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 30 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_31(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_31: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    shll $5, %eax | 
|  | ; X64-NEXT:    subl %edi, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 31 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_32(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_32: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    shlb $5, %al | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 32 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_37(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_37: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,4), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 37 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_41(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_41: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 41 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_62(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_62: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    leal (%rax,%rax), %ecx | 
|  | ; X64-NEXT:    shll $6, %eax | 
|  | ; X64-NEXT:    subl %ecx, %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $rax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 62 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_66(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_66: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    movl %edi, %eax | 
|  | ; X64-NEXT:    shll $6, %eax | 
|  | ; X64-NEXT:    leal (%rax,%rdi,2), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 66 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_73(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_73: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    leal (%rdi,%rax,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 73 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_520(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_520: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    leal (,%rdi,8), %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, 520 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_neg10(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_neg10: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    addl %edi, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,4), %eax | 
|  | ; X64-NEXT:    negl %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, -10 | 
|  | ret i8 %m | 
|  | } | 
|  |  | 
|  | define i8 @test_mul_by_neg36(i8 %x) { | 
|  | ; X64-LABEL: test_mul_by_neg36: | 
|  | ; X64:       # %bb.0: | 
|  | ; X64-NEXT:    # kill: def $edi killed $edi def $rdi | 
|  | ; X64-NEXT:    shll $2, %edi | 
|  | ; X64-NEXT:    leal (%rdi,%rdi,8), %eax | 
|  | ; X64-NEXT:    negl %eax | 
|  | ; X64-NEXT:    # kill: def $al killed $al killed $eax | 
|  | ; X64-NEXT:    retq | 
|  | %m = mul i8 %x, -36 | 
|  | ret i8 %m | 
|  | } | 
|  |  |