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[X86] Replace undef value in flaky test

Browse Source 
D33311 exposes the flakiness in this test. Replacing the undef placed by
bugpoint, makes it more interesting and robust.

llvm-svn: 304168
This commit is contained in:
Zvi Rackover 2017-05-29 18:27:00 +00:00
parent f0294393d2
commit a15dfd3593
1 changed files with 62 additions and 3 deletions
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65
test/CodeGen/X86/setcc-lowering.ll
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@ -41,14 +41,67 @@ entry:
ret <8 x i16> %3
}
define void @pr26232(i64 %a) {
define void @pr26232(i64 %a, <16 x i1> %b) {
; AVX-LABEL: pr26232:
; AVX: # BB#0: # %for_loop599.preheader
; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
; AVX-NEXT: .p2align 4, 0x90
; AVX-NEXT: .LBB1_1: # %for_loop599
; AVX-NEXT: # =>This Inner Loop Header: Depth=1
; AVX-NEXT: xorl %eax, %eax
; AVX-NEXT: cmpq $65536, %rdi # imm = 0x10000
; AVX-NEXT: setl -{{[0-9]+}}(%rsp)
; AVX-NEXT: setl %al
; AVX-NEXT: vmovd %eax, %xmm2
; AVX-NEXT: vpshufb %xmm1, %xmm2, %xmm2
; AVX-NEXT: vpand %xmm0, %xmm2, %xmm2
; AVX-NEXT: vpextrb $15, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $14, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $13, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $12, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $11, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $10, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $9, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $8, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $7, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $6, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $5, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $4, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $3, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $2, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $1, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: vpextrb $0, %xmm2, %eax
; AVX-NEXT: andb $1, %al
; AVX-NEXT: movb %al, -{{[0-9]+}}(%rsp)
; AVX-NEXT: cmpw $0, -{{[0-9]+}}(%rsp)
; AVX-NEXT: jne .LBB1_1
; AVX-NEXT: # BB#2: # %for_exit600
@ -61,6 +114,9 @@ define void @pr26232(i64 %a) {
; KNL-32-NEXT: .cfi_def_cfa_offset 8
; KNL-32-NEXT: .Lcfi1:
; KNL-32-NEXT: .cfi_offset %esi, -8
; KNL-32-NEXT: vpmovsxbd %xmm0, %zmm0
; KNL-32-NEXT: vpslld $31, %zmm0, %zmm0
; KNL-32-NEXT: vptestmd %zmm0, %zmm0, %k0
; KNL-32-NEXT: movl {{[0-9]+}}(%esp), %eax
; KNL-32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; KNL-32-NEXT: movw $-1, %dx
@ -72,6 +128,9 @@ define void @pr26232(i64 %a) {
; KNL-32-NEXT: sbbl $0, %esi
; KNL-32-NEXT: movl $0, %esi
; KNL-32-NEXT: cmovlw %dx, %si
; KNL-32-NEXT: kmovw %esi, %k1
; KNL-32-NEXT: kandw %k0, %k1, %k1
; KNL-32-NEXT: kmovw %k1, %esi
; KNL-32-NEXT: testw %si, %si
; KNL-32-NEXT: jne .LBB1_1
; KNL-32-NEXT: # BB#2: # %for_exit600
@ -87,7 +146,7 @@ for_loop599: ; preds = %for_loop599, %for_t
%less_i_load605_ = icmp slt i64 %a, 65536
%less_i_load605__broadcast_init = insertelement <16 x i1> undef, i1 %less_i_load605_, i32 0
%less_i_load605__broadcast = shufflevector <16 x i1> %less_i_load605__broadcast_init, <16 x i1> undef, <16 x i32> zeroinitializer
%"oldMask&test607" = and <16 x i1> %less_i_load605__broadcast, undef
%"oldMask&test607" = and <16 x i1> %less_i_load605__broadcast, %b
%intmask.i894 = bitcast <16 x i1> %"oldMask&test607" to i16
%res.i895 = icmp eq i16 %intmask.i894, 0
br i1 %res.i895, label %for_exit600, label %for_loop599