Skip to content

Commit

Permalink
[x86] regenerate complete checks; NFC
Browse files Browse the repository at this point in the history
D42265 will improve something here, but it's not obvious how without more checks.

llvm-svn: 322960
  • Loading branch information
rotateright committed Jan 19, 2018
1 parent 435d650 commit 6b0fd43
Showing 1 changed file with 51 additions and 30 deletions.
81 changes: 51 additions & 30 deletions llvm/test/CodeGen/X86/3addr-or.ll
Original file line number Diff line number Diff line change
@@ -1,61 +1,82 @@
; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
; rdar://7527734

define i32 @test1(i32 %x) nounwind readnone ssp {
entry:
define i32 @test1(i32 %x) nounwind ssp {
; CHECK-LABEL: test1:
; CHECK: leal 3(%rdi), %eax
%0 = shl i32 %x, 5 ; <i32> [#uses=1]
%1 = or i32 %0, 3 ; <i32> [#uses=1]
ret i32 %1
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def %edi killed %edi def %rdi
; CHECK-NEXT: shll $5, %edi
; CHECK-NEXT: leal 3(%rdi), %eax
; CHECK-NEXT: retq
%t0 = shl i32 %x, 5
%t1 = or i32 %t0, 3
ret i32 %t1
}

define i64 @test2(i8 %A, i8 %B) nounwind {
; CHECK-LABEL: test2:
; CHECK: shrq $4
; CHECK-NOT: movq
; CHECK-NOT: orq
; CHECK: leaq
; CHECK: ret
%C = zext i8 %A to i64 ; <i64> [#uses=1]
%D = shl i64 %C, 4 ; <i64> [#uses=1]
%E = and i64 %D, 48 ; <i64> [#uses=1]
%F = zext i8 %B to i64 ; <i64> [#uses=1]
%G = lshr i64 %F, 4 ; <i64> [#uses=1]
%H = or i64 %G, %E ; <i64> [#uses=1]
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def %esi killed %esi def %rsi
; CHECK-NEXT: # kill: def %edi killed %edi def %rdi
; CHECK-NEXT: shll $4, %edi
; CHECK-NEXT: andl $48, %edi
; CHECK-NEXT: andl $240, %esi
; CHECK-NEXT: shrq $4, %rsi
; CHECK-NEXT: leaq (%rsi,%rdi), %rax
; CHECK-NEXT: retq
%C = zext i8 %A to i64
%D = shl i64 %C, 4
%E = and i64 %D, 48
%F = zext i8 %B to i64
%G = lshr i64 %F, 4
%H = or i64 %G, %E
ret i64 %H
}

;; Test that OR is only emitted as LEA, not as ADD.

define void @test3(i32 %x, i32* %P) nounwind readnone ssp {
entry:
; No reason to emit an add here, should be an or.
define void @test3(i32 %x, i32* %P) nounwind readnone ssp {
; CHECK-LABEL: test3:
; CHECK: orl $3, %edi
%0 = shl i32 %x, 5
%1 = or i32 %0, 3
store i32 %1, i32* %P
; CHECK: # %bb.0:
; CHECK-NEXT: shll $5, %edi
; CHECK-NEXT: orl $3, %edi
; CHECK-NEXT: movl %edi, (%rsi)
; CHECK-NEXT: retq
%t0 = shl i32 %x, 5
%t1 = or i32 %t0, 3
store i32 %t1, i32* %P
ret void
}

define i32 @test4(i32 %a, i32 %b) nounwind readnone ssp {
entry:
; CHECK-LABEL: test4:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def %esi killed %esi def %rsi
; CHECK-NEXT: # kill: def %edi killed %edi def %rdi
; CHECK-NEXT: andl $6, %edi
; CHECK-NEXT: andl $16, %esi
; CHECK-NEXT: leal (%rsi,%rdi), %eax
; CHECK-NEXT: retq
%and = and i32 %a, 6
%and2 = and i32 %b, 16
%or = or i32 %and2, %and
ret i32 %or
; CHECK-LABEL: test4:
; CHECK: leal (%rsi,%rdi), %eax
}

define void @test5(i32 %a, i32 %b, i32* nocapture %P) nounwind ssp {
entry:
; CHECK-LABEL: test5:
; CHECK: # %bb.0:
; CHECK-NEXT: andl $6, %edi
; CHECK-NEXT: andl $16, %esi
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: movl %esi, (%rdx)
; CHECK-NEXT: retq
%and = and i32 %a, 6
%and2 = and i32 %b, 16
%or = or i32 %and2, %and
store i32 %or, i32* %P, align 4
ret void
; CHECK-LABEL: test5:
; CHECK: orl
}

0 comments on commit 6b0fd43

Please sign in to comment.