forked from OSchip/llvm-project
457 lines
14 KiB
LLVM
457 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+slow-lea,+slow-3ops-lea,+sse,+sse2 | FileCheck %s --check-prefixes=ALL,X32
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+slow-lea,+slow-3ops-lea,+sse,+sse2 | FileCheck %s --check-prefixes=ALL,X64
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; Scalar tests. Trying to avoid LEA here, so the output is actually readable..
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; add (add %x, C), %y
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; Outer 'add' is commutative - 2 variants.
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define i32 @sink_add_of_const_to_add0(i32 %a, i32 %b) {
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; X32-LABEL: sink_add_of_const_to_add0:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: addl $32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_add_of_const_to_add0:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal 32(%rdi,%rsi), %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, 32 ; constant always on RHS
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%r = add i32 %t0, %b
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ret i32 %r
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}
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define i32 @sink_add_of_const_to_add1(i32 %a, i32 %b) {
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; X32-LABEL: sink_add_of_const_to_add1:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: addl $32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_add_of_const_to_add1:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal 32(%rdi,%rsi), %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, 32 ; constant always on RHS
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%r = add i32 %b, %t0
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ret i32 %r
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}
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; add (sub %x, C), %y
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; Outer 'add' is commutative - 2 variants.
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define i32 @sink_sub_of_const_to_add0(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_of_const_to_add0:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: addl $-32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_of_const_to_add0:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal -32(%rdi,%rsi), %eax
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; X64-NEXT: retq
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%t0 = sub i32 %a, 32
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%r = add i32 %t0, %b
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ret i32 %r
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}
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define i32 @sink_sub_of_const_to_add1(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_of_const_to_add1:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: addl $-32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_of_const_to_add1:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal -32(%rdi,%rsi), %eax
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; X64-NEXT: retq
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%t0 = sub i32 %a, 32
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%r = add i32 %b, %t0
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ret i32 %r
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}
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; add (sub C, %x), %y
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; Outer 'add' is commutative - 2 variants.
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define i32 @sink_sub_from_const_to_add0(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_from_const_to_add0:
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; X32: # %bb.0:
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; X32-NEXT: movl $32, %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_from_const_to_add0:
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; X64: # %bb.0:
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: addl %esi, %eax
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; X64-NEXT: retq
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%t0 = sub i32 32, %a
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%r = add i32 %t0, %b
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ret i32 %r
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}
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define i32 @sink_sub_from_const_to_add1(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_from_const_to_add1:
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; X32: # %bb.0:
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; X32-NEXT: movl $32, %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_from_const_to_add1:
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; X64: # %bb.0:
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: addl %esi, %eax
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; X64-NEXT: retq
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%t0 = sub i32 32, %a
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%r = add i32 %b, %t0
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ret i32 %r
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}
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; sub (add %x, C), %y
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; sub %y, (add %x, C)
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define i32 @sink_add_of_const_to_sub(i32 %a, i32 %b) {
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; X32-LABEL: sink_add_of_const_to_sub:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl $32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_add_of_const_to_sub:
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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: subl %esi, %edi
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; X64-NEXT: leal 32(%rdi), %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, 32 ; constant always on RHS
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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 @sink_add_of_const_to_sub2(i32 %a, i32 %b) {
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; X32-LABEL: sink_add_of_const_to_sub2:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl $-32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_add_of_const_to_sub2:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: subl %edi, %esi
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; X64-NEXT: leal -32(%rsi), %eax
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; X64-NEXT: retq
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%t0 = add i32 %a, 32 ; constant always on RHS
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%r = sub i32 %b, %t0
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ret i32 %r
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}
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; sub (sub %x, C), %y
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; sub %y, (sub %x, C)
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define i32 @sink_sub_of_const_to_sub(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_of_const_to_sub:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl $-32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_of_const_to_sub:
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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: subl %esi, %edi
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; X64-NEXT: leal -32(%rdi), %eax
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; X64-NEXT: retq
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%t0 = sub i32 %a, 32
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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 @sink_sub_of_const_to_sub2(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_of_const_to_sub2:
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; X32: # %bb.0:
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; X32-NEXT: movl $32, %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_of_const_to_sub2:
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; X64: # %bb.0:
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: addl %esi, %eax
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; X64-NEXT: retq
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%t0 = sub i32 %a, 32
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%r = sub i32 %b, %t0
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ret i32 %r
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}
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; sub (sub C, %x), %y
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; sub %y, (sub C, %x)
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define i32 @sink_sub_from_const_to_sub(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_from_const_to_sub:
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; X32: # %bb.0:
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; X32-NEXT: movl $32, %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: subl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_from_const_to_sub:
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; X64: # %bb.0:
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; X64-NEXT: movl $32, %eax
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; X64-NEXT: subl %edi, %eax
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; X64-NEXT: subl %esi, %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 @sink_sub_from_const_to_sub2(i32 %a, i32 %b) {
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; X32-LABEL: sink_sub_from_const_to_sub2:
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; X32: # %bb.0:
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X32-NEXT: addl %ecx, %eax
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; X32-NEXT: addl $-32, %eax
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; X32-NEXT: retl
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;
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; X64-LABEL: sink_sub_from_const_to_sub2:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $esi killed $esi def $rsi
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: leal -32(%rdi,%rsi), %eax
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; X64-NEXT: retq
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%t0 = sub i32 32, %a
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%r = sub i32 %b, %t0
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ret i32 %r
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}
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;------------------------------------------------------------------------------;
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; Basic vector tests. Here it is easier to see where the constant operand is.
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;------------------------------------------------------------------------------;
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; add (add %x, C), %y
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; Outer 'add' is commutative - 2 variants.
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define <4 x i32> @vec_sink_add_of_const_to_add0(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_add_of_const_to_add0:
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; X32: # %bb.0:
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; X32-NEXT: paddd %xmm1, %xmm0
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; X32-NEXT: paddd {{\.LCPI.*}}, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: vec_sink_add_of_const_to_add0:
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; X64: # %bb.0:
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; X64-NEXT: paddd %xmm1, %xmm0
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; X64-NEXT: paddd {{.*}}(%rip), %xmm0
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; X64-NEXT: retq
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%t0 = add <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46> ; constant always on RHS
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%r = add <4 x i32> %t0, %b
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ret <4 x i32> %r
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}
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define <4 x i32> @vec_sink_add_of_const_to_add1(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_add_of_const_to_add1:
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; X32: # %bb.0:
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; X32-NEXT: paddd %xmm1, %xmm0
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; X32-NEXT: paddd {{\.LCPI.*}}, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: vec_sink_add_of_const_to_add1:
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; X64: # %bb.0:
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; X64-NEXT: paddd %xmm1, %xmm0
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; X64-NEXT: paddd {{.*}}(%rip), %xmm0
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; X64-NEXT: retq
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%t0 = add <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46> ; constant always on RHS
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%r = add <4 x i32> %b, %t0
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ret <4 x i32> %r
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}
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; add (sub %x, C), %y
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; Outer 'add' is commutative - 2 variants.
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define <4 x i32> @vec_sink_sub_of_const_to_add0(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_sub_of_const_to_add0:
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; X32: # %bb.0:
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; X32-NEXT: paddd %xmm1, %xmm0
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; X32-NEXT: psubd {{\.LCPI.*}}, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: vec_sink_sub_of_const_to_add0:
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; X64: # %bb.0:
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; X64-NEXT: paddd %xmm1, %xmm0
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; X64-NEXT: psubd {{.*}}(%rip), %xmm0
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; X64-NEXT: retq
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%t0 = sub <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46>
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%r = add <4 x i32> %t0, %b
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ret <4 x i32> %r
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}
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define <4 x i32> @vec_sink_sub_of_const_to_add1(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_sub_of_const_to_add1:
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; X32: # %bb.0:
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; X32-NEXT: paddd %xmm1, %xmm0
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; X32-NEXT: psubd {{\.LCPI.*}}, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: vec_sink_sub_of_const_to_add1:
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; X64: # %bb.0:
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; X64-NEXT: paddd %xmm1, %xmm0
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; X64-NEXT: psubd {{.*}}(%rip), %xmm0
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; X64-NEXT: retq
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%t0 = sub <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46>
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%r = add <4 x i32> %b, %t0
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ret <4 x i32> %r
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}
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; add (sub C, %x), %y
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; Outer 'add' is commutative - 2 variants.
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define <4 x i32> @vec_sink_sub_from_const_to_add0(<4 x i32> %a, <4 x i32> %b) {
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; ALL-LABEL: vec_sink_sub_from_const_to_add0:
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; ALL: # %bb.0:
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; ALL-NEXT: movdqa {{.*#+}} xmm2 = <42,24,u,46>
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; ALL-NEXT: psubd %xmm0, %xmm2
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; ALL-NEXT: paddd %xmm1, %xmm2
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; ALL-NEXT: movdqa %xmm2, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = sub <4 x i32> <i32 42, i32 24, i32 undef, i32 46>, %a
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%r = add <4 x i32> %t0, %b
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ret <4 x i32> %r
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}
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define <4 x i32> @vec_sink_sub_from_const_to_add1(<4 x i32> %a, <4 x i32> %b) {
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; ALL-LABEL: vec_sink_sub_from_const_to_add1:
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; ALL: # %bb.0:
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; ALL-NEXT: movdqa {{.*#+}} xmm2 = <42,24,u,46>
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; ALL-NEXT: psubd %xmm0, %xmm2
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; ALL-NEXT: paddd %xmm1, %xmm2
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; ALL-NEXT: movdqa %xmm2, %xmm0
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; ALL-NEXT: ret{{[l|q]}}
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%t0 = sub <4 x i32> <i32 42, i32 24, i32 undef, i32 46>, %a
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%r = add <4 x i32> %b, %t0
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ret <4 x i32> %r
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}
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; sub (add %x, C), %y
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; sub %y, (add %x, C)
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define <4 x i32> @vec_sink_add_of_const_to_sub(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_add_of_const_to_sub:
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; X32: # %bb.0:
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; X32-NEXT: psubd %xmm1, %xmm0
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; X32-NEXT: paddd {{\.LCPI.*}}, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: vec_sink_add_of_const_to_sub:
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; X64: # %bb.0:
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; X64-NEXT: psubd %xmm1, %xmm0
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; X64-NEXT: paddd {{.*}}(%rip), %xmm0
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; X64-NEXT: retq
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%t0 = add <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46> ; constant always on RHS
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%r = sub <4 x i32> %t0, %b
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ret <4 x i32> %r
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}
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define <4 x i32> @vec_sink_add_of_const_to_sub2(<4 x i32> %a, <4 x i32> %b) {
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; X32-LABEL: vec_sink_add_of_const_to_sub2:
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; X32: # %bb.0:
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; X32-NEXT: psubd %xmm0, %xmm1
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; X32-NEXT: psubd {{\.LCPI.*}}, %xmm1
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; X32-NEXT: movdqa %xmm1, %xmm0
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; X32-NEXT: retl
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;
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|
; X64-LABEL: vec_sink_add_of_const_to_sub2:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: psubd %xmm0, %xmm1
|
|
; X64-NEXT: psubd {{.*}}(%rip), %xmm1
|
|
; X64-NEXT: movdqa %xmm1, %xmm0
|
|
; X64-NEXT: retq
|
|
%t0 = add <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46> ; constant always on RHS
|
|
%r = sub <4 x i32> %b, %t0
|
|
ret <4 x i32> %r
|
|
}
|
|
|
|
; sub (sub %x, C), %y
|
|
; sub %y, (sub %x, C)
|
|
|
|
define <4 x i32> @vec_sink_sub_of_const_to_sub(<4 x i32> %a, <4 x i32> %b) {
|
|
; X32-LABEL: vec_sink_sub_of_const_to_sub:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: psubd %xmm1, %xmm0
|
|
; X32-NEXT: psubd {{\.LCPI.*}}, %xmm0
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: vec_sink_sub_of_const_to_sub:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: psubd %xmm1, %xmm0
|
|
; X64-NEXT: psubd {{.*}}(%rip), %xmm0
|
|
; X64-NEXT: retq
|
|
%t0 = sub <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46>
|
|
%r = sub <4 x i32> %t0, %b
|
|
ret <4 x i32> %r
|
|
}
|
|
define <4 x i32> @vec_sink_sub_of_const_to_sub2(<4 x i32> %a, <4 x i32> %b) {
|
|
; ALL-LABEL: vec_sink_sub_of_const_to_sub2:
|
|
; ALL: # %bb.0:
|
|
; ALL-NEXT: movdqa {{.*#+}} xmm2 = <42,24,u,46>
|
|
; ALL-NEXT: psubd %xmm0, %xmm2
|
|
; ALL-NEXT: paddd %xmm1, %xmm2
|
|
; ALL-NEXT: movdqa %xmm2, %xmm0
|
|
; ALL-NEXT: ret{{[l|q]}}
|
|
%t0 = sub <4 x i32> %a, <i32 42, i32 24, i32 undef, i32 46>
|
|
%r = sub <4 x i32> %b, %t0
|
|
ret <4 x i32> %r
|
|
}
|
|
|
|
; sub (sub C, %x), %y
|
|
; sub %y, (sub C, %x)
|
|
|
|
define <4 x i32> @vec_sink_sub_from_const_to_sub(<4 x i32> %a, <4 x i32> %b) {
|
|
; ALL-LABEL: vec_sink_sub_from_const_to_sub:
|
|
; ALL: # %bb.0:
|
|
; ALL-NEXT: movdqa {{.*#+}} xmm2 = <42,24,u,46>
|
|
; ALL-NEXT: psubd %xmm0, %xmm2
|
|
; ALL-NEXT: psubd %xmm1, %xmm2
|
|
; ALL-NEXT: movdqa %xmm2, %xmm0
|
|
; ALL-NEXT: ret{{[l|q]}}
|
|
%t0 = sub <4 x i32> <i32 42, i32 24, i32 undef, i32 46>, %a
|
|
%r = sub <4 x i32> %t0, %b
|
|
ret <4 x i32> %r
|
|
}
|
|
define <4 x i32> @vec_sink_sub_from_const_to_sub2(<4 x i32> %a, <4 x i32> %b) {
|
|
; X32-LABEL: vec_sink_sub_from_const_to_sub2:
|
|
; X32: # %bb.0:
|
|
; X32-NEXT: paddd %xmm1, %xmm0
|
|
; X32-NEXT: psubd {{\.LCPI.*}}, %xmm0
|
|
; X32-NEXT: retl
|
|
;
|
|
; X64-LABEL: vec_sink_sub_from_const_to_sub2:
|
|
; X64: # %bb.0:
|
|
; X64-NEXT: paddd %xmm1, %xmm0
|
|
; X64-NEXT: psubd {{.*}}(%rip), %xmm0
|
|
; X64-NEXT: retq
|
|
%t0 = sub <4 x i32> <i32 42, i32 24, i32 undef, i32 46>, %a
|
|
%r = sub <4 x i32> %b, %t0
|
|
ret <4 x i32> %r
|
|
}
|