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[NVPTX] Add support for cttz/ctlz/ctpop

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski
2013-06-28 17:58:07 +00:00
parent ef0ccc9320
commit 331ba2739d
5 changed files with 188 additions and 0 deletions
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44
test/CodeGen/NVPTX/ctlz.ll Normal file
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@@ -0,0 +1,44 @@
; 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.ctlz.i16(i16, i1) readnone
declare i32 @llvm.ctlz.i32(i32, i1) readnone
declare i64 @llvm.ctlz.i64(i64, i1) readnone
define i32 @myctpop(i32 %a) {
; CHECK: clz.b32
%val = call i32 @llvm.ctlz.i32(i32 %a, i1 false) readnone
ret i32 %val
}
define i16 @myctpop16(i16 %a) {
; CHECK: clz.b32
%val = call i16 @llvm.ctlz.i16(i16 %a, i1 false) readnone
ret i16 %val
}
define i64 @myctpop64(i64 %a) {
; CHECK: clz.b64
%val = call i64 @llvm.ctlz.i64(i64 %a, i1 false) readnone
ret i64 %val
}
define i32 @myctpop_2(i32 %a) {
; CHECK: clz.b32
%val = call i32 @llvm.ctlz.i32(i32 %a, i1 true) readnone
ret i32 %val
}
define i16 @myctpop16_2(i16 %a) {
; CHECK: clz.b32
%val = call i16 @llvm.ctlz.i16(i16 %a, i1 true) readnone
ret i16 %val
}
define i64 @myctpop64_2(i64 %a) {
; CHECK: clz.b64
%val = call i64 @llvm.ctlz.i64(i64 %a, i1 true) readnone
ret i64 %val
}

25
test/CodeGen/NVPTX/ctpop.ll Normal file
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@@ -0,0 +1,25 @@
; 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"
define i32 @myctpop(i32 %a) {
; CHECK: popc.b32
%val = tail call i32 @llvm.ctpop.i32(i32 %a)
ret i32 %val
}
define i16 @myctpop16(i16 %a) {
; CHECK: popc.b32
%val = tail call i16 @llvm.ctpop.i16(i16 %a)
ret i16 %val
}
define i64 @myctpop64(i64 %a) {
; CHECK: popc.b64
%val = tail call i64 @llvm.ctpop.i64(i64 %a)
ret i64 %val
}
declare i16 @llvm.ctpop.i16(i16)
declare i32 @llvm.ctpop.i32(i32)
declare i64 @llvm.ctpop.i64(i64)

45
test/CodeGen/NVPTX/cttz.ll Normal file
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@@ -0,0 +1,45 @@
; 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
}