File: field-extract-use-trunc.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (39 lines) | stat: -rw-r--r-- 793 bytes parent folder | download 
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
28
29
30
31
32
33
34
35
36
37
38
39
 
; RUN: llvm-as < %s | llc -march=x86 | grep sar | count 1
; RUN: llvm-as < %s | llc -march=x86-64 | not grep sar

define i32 @test(i32 %f12) {
	%tmp7.25 = lshr i32 %f12, 16		
	%tmp7.26 = trunc i32 %tmp7.25 to i8
	%tmp78.2 = sext i8 %tmp7.26 to i32
	ret i32 %tmp78.2
}

define i32 @test2(i32 %f12) {
	%f11 = shl i32 %f12, 8
	%tmp7.25 = ashr i32 %f11, 24
	ret i32 %tmp7.25
}

define i32 @test3(i32 %f12) {
	%f11 = shl i32 %f12, 13
	%tmp7.25 = ashr i32 %f11, 24
	ret i32 %tmp7.25
}

define i64 @test4(i64 %f12) {
	%f11 = shl i64 %f12, 32
	%tmp7.25 = ashr i64 %f11, 32
	ret i64 %tmp7.25
}

define i16 @test5(i16 %f12) {
	%f11 = shl i16 %f12, 2
	%tmp7.25 = ashr i16 %f11, 8
	ret i16 %tmp7.25
}

define i16 @test6(i16 %f12) {
	%f11 = shl i16 %f12, 8
	%tmp7.25 = ashr i16 %f11, 8
	ret i16 %tmp7.25
}