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[X86] Regenerate LEA codegen tests

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llvm-svn: 357573
This commit is contained in:
Simon Pilgrim 2019-04-03 12:33:16 +00:00
parent 15f5596487
commit cf18206ac3
1 changed files with 57 additions and 23 deletions
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80
test/CodeGen/X86/lea.ll
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@ -1,37 +1,71 @@
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-nacl | FileCheck %s
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s --check-prefixes=LINUX
; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s --check-prefixes=WIN
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 | FileCheck %s --check-prefixes=LINUX
; RUN: llc < %s -mtriple=x86_64-nacl | FileCheck %s --check-prefixes=LINUX
define i32 @test1(i32 %x) nounwind {
%tmp1 = shl i32 %x, 3
%tmp2 = add i32 %tmp1, 7
ret i32 %tmp2
; CHECK-LABEL: test1:
; CHECK: leal 7(,%r[[A0:di|cx]],8), %eax
; LINUX-LABEL: test1:
; LINUX: # %bb.0:
; LINUX-NEXT: # kill: def $edi killed $edi def $rdi
; LINUX-NEXT: leal 7(,%rdi,8), %eax
; LINUX-NEXT: retq
;
; WIN-LABEL: test1:
; WIN: # %bb.0:
; WIN-NEXT: # kill: def $ecx killed $ecx def $rcx
; WIN-NEXT: leal 7(,%rcx,8), %eax
; WIN-NEXT: retq
%tmp1 = shl i32 %x, 3
%tmp2 = add i32 %tmp1, 7
ret i32 %tmp2
}
; ISel the add of -4 with a neg and use an lea for the rest of the
; arithemtic.
define i32 @test2(i32 %x_offs) nounwind readnone {
; LINUX-LABEL: test2:
; LINUX: # %bb.0: # %entry
; LINUX-NEXT: # kill: def $edi killed $edi def $rdi
; LINUX-NEXT: cmpl $5, %edi
; LINUX-NEXT: jl .LBB1_2
; LINUX-NEXT: # %bb.1: # %bb.nph
; LINUX-NEXT: leal -5(%rdi), %eax
; LINUX-NEXT: andl $-4, %eax
; LINUX-NEXT: negl %eax
; LINUX-NEXT: leal -4(%rdi,%rax), %eax
; LINUX-NEXT: retq
; LINUX-NEXT: .LBB1_2: # %bb2
; LINUX-NEXT: movl %edi, %eax
; LINUX-NEXT: retq
;
; WIN-LABEL: test2:
; WIN: # %bb.0: # %entry
; WIN-NEXT: # kill: def $ecx killed $ecx def $rcx
; WIN-NEXT: cmpl $5, %ecx
; WIN-NEXT: jl .LBB1_2
; WIN-NEXT: # %bb.1: # %bb.nph
; WIN-NEXT: leal -5(%rcx), %eax
; WIN-NEXT: andl $-4, %eax
; WIN-NEXT: negl %eax
; WIN-NEXT: leal -4(%rcx,%rax), %eax
; WIN-NEXT: retq
; WIN-NEXT: .LBB1_2: # %bb2
; WIN-NEXT: movl %ecx, %eax
; WIN-NEXT: retq
entry:
%t0 = icmp sgt i32 %x_offs, 4
br i1 %t0, label %bb.nph, label %bb2
%t0 = icmp sgt i32 %x_offs, 4
br i1 %t0, label %bb.nph, label %bb2
bb.nph:
%tmp = add i32 %x_offs, -5
%tmp6 = lshr i32 %tmp, 2
%tmp7 = mul i32 %tmp6, -4
%tmp8 = add i32 %tmp7, %x_offs
%tmp9 = add i32 %tmp8, -4
ret i32 %tmp9
%tmp = add i32 %x_offs, -5
%tmp6 = lshr i32 %tmp, 2
%tmp7 = mul i32 %tmp6, -4
%tmp8 = add i32 %tmp7, %x_offs
%tmp9 = add i32 %tmp8, -4
ret i32 %tmp9
bb2:
ret i32 %x_offs
; CHECK-LABEL: test2:
; CHECK: leal -5(%r[[A0:..]]), %eax
; CHECK: andl $-4, %eax
; CHECK: negl %eax
; CHECK: leal -4(%r[[A0]],%rax), %eax
ret i32 %x_offs
}