File: basic.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (27 lines) | stat: -rw-r--r-- 1,344 bytes parent folder | download | duplicates (12) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
; RUN: opt -S -disable-output -passes="print<demanded-bits>" < %s 2>&1 | FileCheck %s

; CHECK-LABEL: Printing analysis 'Demanded Bits Analysis' for function 'test_mul':
; CHECK-DAG: DemandedBits: 0xff for   %1 = add nsw i32 %a, 5
; CHECK-DAG: DemandedBits: 0xff for   %3 = trunc i32 %2 to i8
; CHECK-DAG: DemandedBits: 0xff for   %2 = mul nsw i32 %1, %b
; CHECK-DAG: DemandedBits: 0x1 for   %4 = trunc i32 %2 to i1
; CHECK-DAG: DemandedBits: 0xff for   %5 = zext i1 %4 to i8
; CHECK-DAG: DemandedBits: 0xff for   %6 = add nsw i8 %3, %5
; CHECK-DAG: DemandedBits: 0xff for %a in   %1 = add nsw i32 %a, 5
; CHECK-DAG: DemandedBits: 0xff for 5 in   %1 = add nsw i32 %a, 5
; CHECK-DAG: DemandedBits: 0xff for %1 in   %2 = mul nsw i32 %1, %b
; CHECK-DAG: DemandedBits: 0xff for %b in   %2 = mul nsw i32 %1, %b
; CHECK-DAG: DemandedBits: 0xff for %2 in   %3 = trunc i32 %2 to i8
; CHECK-DAG: DemandedBits: 0x1 for %2 in   %4 = trunc i32 %2 to i1
; CHECK-DAG: DemandedBits: 0x1 for %4 in   %5 = zext i1 %4 to i8
; CHECK-DAG: DemandedBits: 0xff for %3 in   %6 = add nsw i8 %3, %5
; CHECK-DAG: DemandedBits: 0xff for %5 in   %6 = add nsw i8 %3, %5
define i8 @test_mul(i32 %a, i32 %b) {
  %1 = add nsw i32 %a, 5
  %2 = mul nsw i32 %1, %b
  %3 = trunc i32 %2 to i8
  %4 = trunc i32 %2 to i1
  %5 = zext i1 %4 to i8
  %6 = add nsw i8 %3, %5
  ret i8 %6
}