mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 19:12:56 +02:00
caa4701e37
The zeroextend IR instruction is lowered to an 'and' node with an immediate mask operand, which in turn gets legalised to a sequence of ori's & ands. This can be done more efficiently using the rldicl instruction. Patch by Tobias von Koch. llvm-svn: 162724
12 lines
331 B
LLVM
12 lines
331 B
LLVM
; RUN: llc < %s | FileCheck %s
|
|
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-v128:128:128-n32:64"
|
|
target triple = "powerpc64-unknown-linux"
|
|
|
|
define i64 @fun(i32 %arg32) nounwind {
|
|
entry:
|
|
; CHECK: rldicl {{[0-9]+}}, {{[0-9]+}}, 0, 32
|
|
%o = zext i32 %arg32 to i64
|
|
ret i64 %o
|
|
}
|
|
|