maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[X86] Add AVX partial dependency tests as noted on D67363 

llvm-svn: 371525
This commit is contained in:
Simon Pilgrim 2019-09-10 14:28:29 +00:00
parent 3b0b3def86
commit 937ca68157
1 changed files with 60 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
llvm/test/CodeGen/X86/sqrt-partial.ll
View File

@ -1,5 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=CHECK,SSE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX
; PR31455 - https://bugs.llvm.org/show_bug.cgi?id=31455
; We have to assume that errno can be set, so we have to make a libcall in that case.
@ -9,44 +10,74 @@
; for that), but we're checking the final asm to make sure that comes out as expected too.
define float @f(float %val) nounwind {
; CHECK-LABEL: f:
; CHECK: # %bb.0:
; CHECK-NEXT: xorps %xmm1, %xmm1
; CHECK-NEXT: ucomiss %xmm1, %xmm0
; CHECK-NEXT: jb .LBB0_2
; CHECK-NEXT: # %bb.1: # %.split
; CHECK-NEXT: sqrtss %xmm0, %xmm0
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB0_2: # %call.sqrt
; CHECK-NEXT: jmp sqrtf # TAILCALL
; SSE-LABEL: f:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm1, %xmm1
; SSE-NEXT: ucomiss %xmm1, %xmm0
; SSE-NEXT: jb .LBB0_2
; SSE-NEXT: # %bb.1: # %.split
; SSE-NEXT: sqrtss %xmm0, %xmm0
; SSE-NEXT: retq
; SSE-NEXT: .LBB0_2: # %call.sqrt
; SSE-NEXT: jmp sqrtf # TAILCALL
;
; AVX-LABEL: f:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vucomiss %xmm1, %xmm0
; AVX-NEXT: jb .LBB0_2
; AVX-NEXT: # %bb.1: # %.split
; AVX-NEXT: vsqrtss %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
; AVX-NEXT: .LBB0_2: # %call.sqrt
; AVX-NEXT: jmp sqrtf # TAILCALL
%res = tail call float @sqrtf(float %val)
ret float %res
}
define double @d(double %val) nounwind {
; CHECK-LABEL: d:
; CHECK: # %bb.0:
; CHECK-NEXT: xorps %xmm1, %xmm1
; CHECK-NEXT: ucomisd %xmm1, %xmm0
; CHECK-NEXT: jb .LBB1_2
; CHECK-NEXT: # %bb.1: # %.split
; CHECK-NEXT: sqrtsd %xmm0, %xmm0
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB1_2: # %call.sqrt
; CHECK-NEXT: jmp sqrt # TAILCALL
; SSE-LABEL: d:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm1, %xmm1
; SSE-NEXT: ucomisd %xmm1, %xmm0
; SSE-NEXT: jb .LBB1_2
; SSE-NEXT: # %bb.1: # %.split
; SSE-NEXT: sqrtsd %xmm0, %xmm0
; SSE-NEXT: retq
; SSE-NEXT: .LBB1_2: # %call.sqrt
; SSE-NEXT: jmp sqrt # TAILCALL
;
; AVX-LABEL: d:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vucomisd %xmm1, %xmm0
; AVX-NEXT: jb .LBB1_2
; AVX-NEXT: # %bb.1: # %.split
; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
; AVX-NEXT: .LBB1_2: # %call.sqrt
; AVX-NEXT: jmp sqrt # TAILCALL
%res = tail call double @sqrt(double %val)
ret double %res
}
define double @minsize(double %x, double %y) minsize {
; CHECK-LABEL: minsize:
; CHECK: # %bb.0:
; CHECK-NEXT: mulsd %xmm0, %xmm0
; CHECK-NEXT: mulsd %xmm1, %xmm1
; CHECK-NEXT: addsd %xmm0, %xmm1
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: sqrtsd %xmm1, %xmm0
; CHECK-NEXT: retq
; SSE-LABEL: minsize:
; SSE: # %bb.0:
; SSE-NEXT: mulsd %xmm0, %xmm0
; SSE-NEXT: mulsd %xmm1, %xmm1
; SSE-NEXT: addsd %xmm0, %xmm1
; SSE-NEXT: xorps %xmm0, %xmm0
; SSE-NEXT: sqrtsd %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: minsize:
; AVX: # %bb.0:
; AVX-NEXT: vmulsd %xmm0, %xmm0, %xmm0
; AVX-NEXT: vmulsd %xmm1, %xmm1, %xmm1
; AVX-NEXT: vaddsd %xmm1, %xmm0, %xmm0
; AVX-NEXT: vsqrtsd %xmm0, %xmm0, %xmm0
; AVX-NEXT: retq
%t3 = fmul fast double %x, %x
%t4 = fmul fast double %y, %y
%t5 = fadd fast double %t3, %t4