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Differential D34661 Diff 108984 llvm/trunk/test/CodeGen/X86/select-mmx.ll

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llvm/trunk/test/CodeGen/X86/select-mmx.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+mmx < %s | FileCheck %s --check-prefix=X64
; RUN: llc -mtriple=i686-unknown-unknown -mattr=+mmx < %s | FileCheck %s --check-prefix=I32
; From source: clang -02
;__m64 test47(int a)
;{
; __m64 x = (a)? (__m64)(7): (__m64)(0);
; return __builtin_ia32_psllw(x, x);
;}
define i64 @test47(i64 %arg) {
;
; X64-LABEL: test47:
; X64: # BB#0:
; X64-NEXT: xorl %eax, %eax
; X64-NEXT: testq %rdi, %rdi
; X64-NEXT: movl $7, %ecx
; X64-NEXT: cmoveq %rcx, %rax
; X64-NEXT: movd %rax, %mm0
; X64-NEXT: psllw %mm0, %mm0
; X64-NEXT: movd %mm0, %rax
; X64-NEXT: retq
;
; I32-LABEL: test47:
; I32: # BB#0:
; I32-NEXT: pushl %ebp
; I32-NEXT: .Lcfi0:
; I32-NEXT: .cfi_def_cfa_offset 8
; I32-NEXT: .Lcfi1:
; I32-NEXT: .cfi_offset %ebp, -8
; I32-NEXT: movl %esp, %ebp
; I32-NEXT: .Lcfi2:
; I32-NEXT: .cfi_def_cfa_register %ebp
; I32-NEXT: andl $-8, %esp
; I32-NEXT: subl $16, %esp
; I32-NEXT: movl 8(%ebp), %eax
; I32-NEXT: orl 12(%ebp), %eax
; I32-NEXT: movl $7, %eax
; I32-NEXT: je .LBB0_2
; I32-NEXT: # BB#1:
; I32-NEXT: xorl %eax, %eax
; I32-NEXT: .LBB0_2:
; I32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; I32-NEXT: movl $0, {{[0-9]+}}(%esp)
; I32-NEXT: movq {{[0-9]+}}(%esp), %mm0
; I32-NEXT: psllw %mm0, %mm0
; I32-NEXT: movq %mm0, (%esp)
; I32-NEXT: movl (%esp), %eax
; I32-NEXT: movl {{[0-9]+}}(%esp), %edx
; I32-NEXT: movl %ebp, %esp
; I32-NEXT: popl %ebp
; I32-NEXT: retl
%cond = icmp eq i64 %arg, 0
%slct = select i1 %cond, x86_mmx bitcast (i64 7 to x86_mmx), x86_mmx bitcast (i64 0 to x86_mmx)
%psll = tail call x86_mmx @llvm.x86.mmx.psll.w(x86_mmx %slct, x86_mmx %slct)
%retc = bitcast x86_mmx %psll to i64
ret i64 %retc
}
; From source: clang -O2
;__m64 test49(int a, long long n, long long m)
;{
; __m64 x = (a)? (__m64)(n): (__m64)(m);
; return __builtin_ia32_psllw(x, x);
;}
define i64 @test49(i64 %arg, i64 %x, i64 %y) {
;
; X64-LABEL: test49:
; X64: # BB#0:
; X64-NEXT: testq %rdi, %rdi
; X64-NEXT: cmovneq %rdx, %rsi
; X64-NEXT: movd %rsi, %mm0
; X64-NEXT: psllw %mm0, %mm0
; X64-NEXT: movd %mm0, %rax
; X64-NEXT: retq
;
; I32-LABEL: test49:
; I32: # BB#0:
; I32-NEXT: pushl %ebp
; I32-NEXT: .Lcfi3:
; I32-NEXT: .cfi_def_cfa_offset 8
; I32-NEXT: .Lcfi4:
; I32-NEXT: .cfi_offset %ebp, -8
; I32-NEXT: movl %esp, %ebp
; I32-NEXT: .Lcfi5:
; I32-NEXT: .cfi_def_cfa_register %ebp
; I32-NEXT: andl $-8, %esp
; I32-NEXT: subl $8, %esp
; I32-NEXT: movl 8(%ebp), %eax
; I32-NEXT: orl 12(%ebp), %eax
; I32-NEXT: je .LBB1_1
; I32-NEXT: # BB#2:
; I32-NEXT: leal 24(%ebp), %eax
; I32-NEXT: jmp .LBB1_3
; I32-NEXT: .LBB1_1:
; I32-NEXT: leal 16(%ebp), %eax
; I32-NEXT: .LBB1_3:
; I32-NEXT: movq (%eax), %mm0
; I32-NEXT: psllw %mm0, %mm0
; I32-NEXT: movq %mm0, (%esp)
; I32-NEXT: movl (%esp), %eax
; I32-NEXT: movl {{[0-9]+}}(%esp), %edx
; I32-NEXT: movl %ebp, %esp
; I32-NEXT: popl %ebp
; I32-NEXT: retl
%cond = icmp eq i64 %arg, 0
%xmmx = bitcast i64 %x to x86_mmx
%ymmx = bitcast i64 %y to x86_mmx
%slct = select i1 %cond, x86_mmx %xmmx, x86_mmx %ymmx
%psll = tail call x86_mmx @llvm.x86.mmx.psll.w(x86_mmx %slct, x86_mmx %slct)
%retc = bitcast x86_mmx %psll to i64
ret i64 %retc
}
declare x86_mmx @llvm.x86.mmx.psll.w(x86_mmx, x86_mmx)