1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -mattr=+slow-3ops-lea | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=i686-- -mattr=-slow-3ops-lea | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-- -mattr=+slow-3ops-lea | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=x86_64-- -mattr=-slow-3ops-lea | FileCheck %s --check-prefix=X64
; )32-a)-b --> 32-(a+b) --> -(a+b)+32 --> -((a+b)-32) -> -(a+b+(-32))
define i32 @t0(i32 %a, i32 %b) {
; X86-LABEL: t0:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $32, %eax
; X86-NEXT: subl %ecx, %eax
; X86-NEXT: retl
;
; X64-LABEL: t0:
; X64: # %bb.0:
; X64-NEXT: addl %esi, %edi
; X64-NEXT: movl $32, %eax
; X64-NEXT: subl %edi, %eax
; X64-NEXT: retq
%t0 = sub i32 32, %a
%r = sub i32 %t0, %b
ret i32 %r
}
define i32 @t1(i32 %a, i32 %b) {
; X86-LABEL: t1:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $32, %eax
; X86-NEXT: subl %ecx, %eax
; X86-NEXT: retl
;
; X64-LABEL: t1:
; X64: # %bb.0:
; X64-NEXT: addl %esi, %edi
; X64-NEXT: movl $32, %eax
; X64-NEXT: subl %edi, %eax
; X64-NEXT: retq
%t0 = add i32 %a, %b
%r = sub i32 32, %t0
ret i32 %r
}
define i32 @t2(i32 %a, i32 %b) {
; X86-LABEL: t2:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $32, %eax
; X86-NEXT: subl %ecx, %eax
; X86-NEXT: retl
;
; X64-LABEL: t2:
; X64: # %bb.0:
; X64-NEXT: addl %esi, %edi
; X64-NEXT: movl $32, %eax
; X64-NEXT: subl %edi, %eax
; X64-NEXT: retq
%t0 = add i32 %a, %b
%t1 = sub i32 0, %t0
%r = add i32 %t1, 32
ret i32 %r
}
define i32 @t3(i32 %a, i32 %b) {
; X86-LABEL: t3:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $32, %eax
; X86-NEXT: subl %ecx, %eax
; X86-NEXT: retl
;
; X64-LABEL: t3:
; X64: # %bb.0:
; X64-NEXT: addl %esi, %edi
; X64-NEXT: movl $32, %eax
; X64-NEXT: subl %edi, %eax
; X64-NEXT: retq
%t0 = add i32 %a, %b
%t1 = sub i32 %t0, 32
%r = sub i32 0, %t1
ret i32 %r
}
|