derek.holloway
7502bf64a4
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87 lines
2.3 KiB
LLVM
87 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- -mattr=+slow-3ops-lea | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=i686-- -mattr=-slow-3ops-lea | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+slow-3ops-lea | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=x86_64-- -mattr=-slow-3ops-lea | FileCheck %s --check-prefix=X64
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; )32-a)-b --> 32-(a+b) --> -(a+b)+32 --> -((a+b)-32) -> -(a+b+(-32))
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define i32 @t0(i32 %a, i32 %b) {
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; X86-LABEL: t0:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl $32, %eax
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: t0:
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; X64: # %bb.0:
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; X64-NEXT: addl %esi, %edi
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: retq
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%t0 = sub i32 32, %a
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%r = sub i32 %t0, %b
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ret i32 %r
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}
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define i32 @t1(i32 %a, i32 %b) {
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; X86-LABEL: t1:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl $32, %eax
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: t1:
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; X64: # %bb.0:
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; X64-NEXT: addl %esi, %edi
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, %b
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%r = sub i32 32, %t0
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ret i32 %r
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}
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define i32 @t2(i32 %a, i32 %b) {
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; X86-LABEL: t2:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl $32, %eax
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: t2:
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; X64: # %bb.0:
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; X64-NEXT: addl %esi, %edi
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, %b
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%t1 = sub i32 0, %t0
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%r = add i32 %t1, 32
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ret i32 %r
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}
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define i32 @t3(i32 %a, i32 %b) {
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; X86-LABEL: t3:
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; X86: # %bb.0:
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: addl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl $32, %eax
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; X86-NEXT: subl %ecx, %eax
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; X86-NEXT: retl
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;
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; X64-LABEL: t3:
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; X64: # %bb.0:
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; X64-NEXT: addl %esi, %edi
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, %b
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%t1 = sub i32 %t0, 32
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%r = sub i32 0, %t1
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ret i32 %r
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}
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