Mercurial > hg > CbC > CbC_llvm

comparison test/CodeGen/X86/uint64-to-float.ll @ 120:1172e4bd9c6f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents afa8332a0e37
children 803732b1fca8
comparison
equal deleted inserted replaced
101:34baf5011add 120:1172e4bd9c6f
1 ; RUN: llc < %s -mcpu=generic -march=x86-64 | FileCheck %s 1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=i686-apple-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86
3 ; RUN: llc < %s -mtriple=x86_64-apple-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64
4
2 ; Verify that we are using the efficient uitofp --> sitofp lowering illustrated 5 ; Verify that we are using the efficient uitofp --> sitofp lowering illustrated
3 ; by the compiler_rt implementation of __floatundisf. 6 ; by the compiler_rt implementation of __floatundisf.
4 ; <rdar://problem/8493982> 7 ; <rdar://problem/8493982>
5 8
6 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 9 define float @test(i64 %a) nounwind {
7 target triple = "x86_64-apple-darwin10.0.0" 10 ; X86-LABEL: test:
8 11 ; X86: # BB#0: # %entry
9 ; CHECK: andl 12 ; X86-NEXT: pushl %ebp
10 ; CHECK-NEXT: testq %rdi, %rdi 13 ; X86-NEXT: movl %esp, %ebp
11 ; CHECK-NEXT: js LBB0_1 14 ; X86-NEXT: andl $-8, %esp
12 ; CHECK: cvtsi2ss 15 ; X86-NEXT: subl $16, %esp
13 ; CHECK-NEXT: ret 16 ; X86-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
14 ; CHECK: LBB0_1 17 ; X86-NEXT: movq %xmm0, {{[0-9]+}}(%esp)
15 ; CHECK: shrq 18 ; X86-NEXT: xorl %eax, %eax
16 ; CHECK-NEXT: orq 19 ; X86-NEXT: cmpl $0, 12(%ebp)
17 ; CHECK-NEXT: cvtsi2ss 20 ; X86-NEXT: setns %al
18 define float @test(i64 %a) { 21 ; X86-NEXT: fildll {{[0-9]+}}(%esp)
22 ; X86-NEXT: fadds {{\.LCPI.*}}(,%eax,4)
23 ; X86-NEXT: fstps {{[0-9]+}}(%esp)
24 ; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero
25 ; X86-NEXT: movss %xmm0, (%esp)
26 ; X86-NEXT: flds (%esp)
27 ; X86-NEXT: movl %ebp, %esp
28 ; X86-NEXT: popl %ebp
29 ; X86-NEXT: retl
30 ;
31 ; X64-LABEL: test:
32 ; X64: # BB#0: # %entry
33 ; X64-NEXT: testq %rdi, %rdi
34 ; X64-NEXT: js .LBB0_1
35 ; X64-NEXT: # BB#2: # %entry
36 ; X64-NEXT: cvtsi2ssq %rdi, %xmm0
37 ; X64-NEXT: retq
38 ; X64-NEXT: .LBB0_1:
39 ; X64-NEXT: movq %rdi, %rax
40 ; X64-NEXT: shrq %rax
41 ; X64-NEXT: andl $1, %edi
42 ; X64-NEXT: orq %rax, %rdi
43 ; X64-NEXT: cvtsi2ssq %rdi, %xmm0
44 ; X64-NEXT: addss %xmm0, %xmm0
45 ; X64-NEXT: retq
19 entry: 46 entry:
20 %b = uitofp i64 %a to float 47 %b = uitofp i64 %a to float
21 ret float %b 48 ret float %b
22 } 49 }