File: arg-cast.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (22 lines) | stat: -rw-r--r-- 825 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; This should compile to movl $2147483647, %eax + andl only.
; RUN: llc < %s | FileCheck %s
; rdar://5736574

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin8"

define i32 @foo(double %x) nounwind  {
; CHECK-LABEL: foo:
; CHECK:       ## %bb.0: ## %entry
; CHECK-NEXT:    movl $2147483647, %eax ## imm = 0x7FFFFFFF
; CHECK-NEXT:    andl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT:    retl
entry:
	%x15 = bitcast double %x to i64		; <i64> [#uses=1]
	%tmp713 = lshr i64 %x15, 32		; <i64> [#uses=1]
	%tmp714 = trunc i64 %tmp713 to i32		; <i32> [#uses=1]
	%tmp8 = and i32 %tmp714, 2147483647		; <i32> [#uses=1]
	ret i32 %tmp8
}