mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
6804208a8e
The popc instruction is defined in the SPARCv9 instruction set architecture, but it was emulated on CPUs older than Niagara 2. llvm-svn: 200131
32 lines
1.1 KiB
LLVM
32 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=sparc -mattr=-v9 | FileCheck %s -check-prefix=V8
|
|
; RUN: llc < %s -march=sparc -mattr=+v9,+popc | FileCheck %s -check-prefix=V9
|
|
; RUN: llc < %s -march=sparc -mcpu=v9 | FileCheck %s -check-prefix=V8
|
|
; RUN: llc < %s -march=sparc -mcpu=ultrasparc | FileCheck %s -check-prefix=V8
|
|
; RUN: llc < %s -march=sparc -mcpu=ultrasparc3 | FileCheck %s -check-prefix=V8
|
|
; RUN: llc < %s -march=sparc -mcpu=niagara | FileCheck %s -check-prefix=V8
|
|
; RUN: llc < %s -march=sparc -mcpu=niagara2 | FileCheck %s -check-prefix=V9
|
|
; RUN: llc < %s -march=sparc -mcpu=niagara3 | FileCheck %s -check-prefix=V9
|
|
; RUN: llc < %s -march=sparc -mcpu=niagara4 | FileCheck %s -check-prefix=V9
|
|
; RUN: llc < %s -march=sparcv9 -mattr=+popc | FileCheck %s -check-prefix=SPARC64
|
|
|
|
declare i32 @llvm.ctpop.i32(i32)
|
|
|
|
; V8-LABEL: test
|
|
; V8-NOT: popc
|
|
|
|
; V9-LABEL: test
|
|
; V9: srl %o0, 0, %o0
|
|
; V9-NEXT: retl
|
|
; V9-NEXT: popc %o0, %o0
|
|
|
|
; SPARC64-LABEL: test
|
|
; SPARC64: srl %o0, 0, %o0
|
|
; SPARC64: retl
|
|
; SPARC64: popc %o0, %o0
|
|
|
|
define i32 @test(i32 %X) {
|
|
%Y = call i32 @llvm.ctpop.i32( i32 %X ) ; <i32> [#uses=1]
|
|
ret i32 %Y
|
|
}
|
|
|