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llvm-mirror/test/CodeGen/NVPTX/cttz.ll
Justin Holewinski 6feb5e8392 [NVPTX] Add support for cttz/ctlz/ctpop
llvm-svn: 185176
2013-06-28 17:58:07 +00:00

46 lines
1.1 KiB
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
declare i16 @llvm.cttz.i16(i16, i1) readnone
declare i32 @llvm.cttz.i32(i32, i1) readnone
declare i64 @llvm.cttz.i64(i64, i1) readnone
define i32 @myctpop(i32 %a) {
; CHECK: popc.b32
%val = call i32 @llvm.cttz.i32(i32 %a, i1 false) readnone
ret i32 %val
}
define i16 @myctpop16(i16 %a) {
; CHECK: popc.b32
%val = call i16 @llvm.cttz.i16(i16 %a, i1 false) readnone
ret i16 %val
}
define i64 @myctpop64(i64 %a) {
; CHECK: popc.b64
%val = call i64 @llvm.cttz.i64(i64 %a, i1 false) readnone
ret i64 %val
}
define i32 @myctpop_2(i32 %a) {
; CHECK: popc.b32
%val = call i32 @llvm.cttz.i32(i32 %a, i1 true) readnone
ret i32 %val
}
define i16 @myctpop16_2(i16 %a) {
; CHECK: popc.b32
%val = call i16 @llvm.cttz.i16(i16 %a, i1 true) readnone
ret i16 %val
}
define i64 @myctpop64_2(i64 %a) {
; CHECK: popc.b64
%val = call i64 @llvm.cttz.i64(i64 %a, i1 true) readnone
ret i64 %val
}