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[X86] Add test case for PR32282

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llvm-svn: 308286
This commit is contained in:
Simon Pilgrim 2017-07-18 10:09:40 +00:00
parent 5112f60df1
commit 141dc67bc1
1 changed files with 104 additions and 0 deletions
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test/CodeGen/X86/pr32282.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=X86
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefix=X64
; Check for assert in foldMaskAndShiftToScale due to out of range mask scaling.
@b = common global i8 zeroinitializer, align 1
@c = common global i8 zeroinitializer, align 1
@d = common global i64 zeroinitializer, align 8
@e = common global i64 zeroinitializer, align 8
define void @foo() {
; X86-LABEL: foo:
; X86: # BB#0:
; X86-NEXT: pushl %eax
; X86-NEXT: .Lcfi0:
; X86-NEXT: .cfi_def_cfa_offset 8
; X86-NEXT: movl d, %eax
; X86-NEXT: movl d+4, %ecx
; X86-NEXT: movl $701685459, %edx # imm = 0x29D2DED3
; X86-NEXT: andnl %edx, %ecx, %ecx
; X86-NEXT: movl $-564453154, %edx # imm = 0xDE5B20DE
; X86-NEXT: andnl %edx, %eax, %edx
; X86-NEXT: shrdl $21, %ecx, %edx
; X86-NEXT: shrl $21, %ecx
; X86-NEXT: xorl %eax, %eax
; X86-NEXT: testb %al, %al
; X86-NEXT: cmovnel %ecx, %edx
; X86-NEXT: cmovnel %eax, %ecx
; X86-NEXT: andl $-2, %edx
; X86-NEXT: andl $2147483647, %ecx # imm = 0x7FFFFFFF
; X86-NEXT: addl $7, %edx
; X86-NEXT: adcxl %eax, %ecx
; X86-NEXT: pushl %ecx
; X86-NEXT: .Lcfi1:
; X86-NEXT: .cfi_adjust_cfa_offset 4
; X86-NEXT: pushl %edx
; X86-NEXT: .Lcfi2:
; X86-NEXT: .cfi_adjust_cfa_offset 4
; X86-NEXT: pushl $0
; X86-NEXT: .Lcfi3:
; X86-NEXT: .cfi_adjust_cfa_offset 4
; X86-NEXT: pushl $0
; X86-NEXT: .Lcfi4:
; X86-NEXT: .cfi_adjust_cfa_offset 4
; X86-NEXT: calll __divdi3
; X86-NEXT: addl $16, %esp
; X86-NEXT: .Lcfi5:
; X86-NEXT: .cfi_adjust_cfa_offset -16
; X86-NEXT: orl %eax, %edx
; X86-NEXT: setne {{[0-9]+}}(%esp)
; X86-NEXT: popl %eax
; X86-NEXT: retl
;
; X64-LABEL: foo:
; X64: # BB#0:
; X64-NEXT: movq {{.*}}(%rip), %rax
; X64-NEXT: movabsq $3013716102212485120, %rcx # imm = 0x29D2DED3DE400000
; X64-NEXT: andnq %rcx, %rax, %rcx
; X64-NEXT: shrq $21, %rcx
; X64-NEXT: addq $7, %rcx
; X64-NEXT: movabsq $4393751543808, %rax # imm = 0x3FF00000000
; X64-NEXT: testq %rax, %rcx
; X64-NEXT: je .LBB0_1
; X64-NEXT: # BB#2:
; X64-NEXT: xorl %eax, %eax
; X64-NEXT: xorl %edx, %edx
; X64-NEXT: idivq %rcx
; X64-NEXT: jmp .LBB0_3
; X64-NEXT: .LBB0_1:
; X64-NEXT: xorl %eax, %eax
; X64-NEXT: xorl %edx, %edx
; X64-NEXT: divl %ecx
; X64-NEXT: # kill: %EAX<def> %EAX<kill> %RAX<def>
; X64-NEXT: .LBB0_3:
; X64-NEXT: testq %rax, %rax
; X64-NEXT: setne -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
%1 = alloca i8, align 1
%2 = load i64, i64* @d, align 8
%3 = or i64 -3013716102214263007, %2
%4 = xor i64 %3, -1
%5 = load i64, i64* @e, align 8
%6 = load i8, i8* @b, align 1
%7 = trunc i8 %6 to i1
%8 = zext i1 %7 to i64
%9 = xor i64 %5, %8
%10 = load i8, i8* @c, align 1
%11 = trunc i8 %10 to i1
%12 = zext i1 %11 to i32
%13 = or i32 551409149, %12
%14 = sub nsw i32 %13, 551409131
%15 = zext i32 %14 to i64
%16 = shl i64 %9, %15
%17 = sub nsw i64 %16, 223084523
%18 = ashr i64 %4, %17
%19 = and i64 %18, 9223372036854775806
%20 = add nsw i64 7, %19
%21 = sdiv i64 0, %20
%22 = icmp ne i64 %21, 0
%23 = zext i1 %22 to i8
store i8 %23, i8* %1, align 1
ret void
}