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TvOS: add missing support for some libcalls.

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llvm-svn: 251811
This commit is contained in:
Tim Northover 2015-11-02 18:00:00 +00:00
parent 0dd1f670a9
commit 58717c5330
3 changed files with 44 additions and 32 deletions
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7
lib/Analysis/TargetLibraryInfo.cpp
View File

@ -289,6 +289,7 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
}
break;
case Triple::IOS:
case Triple::TvOS:
case Triple::WatchOS:
TLI.setUnavailable(LibFunc::exp10l);
if (!T.isWatchOS() && (T.isOSVersionLT(7, 0) ||
@ -324,6 +325,7 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
case Triple::Darwin:
case Triple::MacOSX:
case Triple::IOS:
case Triple::TvOS:
case Triple::WatchOS:
case Triple::FreeBSD:
case Triple::Linux:
@ -336,6 +338,11 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
// http://svn.freebsd.org/base/head/lib/libc/string/ffsll.c
// http://www.gnu.org/software/gnulib/manual/html_node/ffsll.html
switch (T.getOS()) {
case Triple::Darwin:
case Triple::MacOSX:
case Triple::IOS:
case Triple::TvOS:
case Triple::WatchOS:
case Triple::FreeBSD:
case Triple::Linux:
break;

67
test/Transforms/InstCombine/ffs-1.ll
View File

@ -1,9 +1,12 @@
; Test that the ffs* library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s
; RUN: opt < %s -mtriple i386-pc-linux -instcombine -S | FileCheck %s -check-prefix=CHECK-LINUX
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
; RUN: opt < %s -mtriple i386-pc-linux -instcombine -S | FileCheck %s -check-prefix=CHECK-FFS
; RUN: opt -instcombine -mtriple=arm64-apple-ios9.0 -S %s | FileCheck --check-prefix=CHECK-FFS %s
; RUN: opt -instcombine -mtriple=arm64-apple-tvos9.0 -S %s | FileCheck --check-prefix=CHECK-FFS %s
; RUN: opt -instcombine -mtriple=thumbv7k-apple-watchos2.0 -S %s | FileCheck --check-prefix=CHECK-FFS %s
; RUN: opt -instcombine -mtriple=x86_64-apple-macosx10.11 -S %s | FileCheck --check-prefix=CHECK-FFS %s
; RUN: opt -instcombine -mtriple=x86_64-freebsd-gnu -S %s | FileCheck --check-prefix=CHECK-FFS %s
declare i32 @ffs(i32)
declare i32 @ffsl(i32)
@ -19,17 +22,17 @@ define i32 @test_simplify1() {
}
define i32 @test_simplify2() {
; CHECK-LINUX-LABEL: @test_simplify2(
; CHECK-FFS-LABEL: @test_simplify2(
%ret = call i32 @ffsl(i32 0)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 0
; CHECK-FFS-NEXT: ret i32 0
}
define i32 @test_simplify3() {
; CHECK-LINUX-LABEL: @test_simplify3(
; CHECK-FFS-LABEL: @test_simplify3(
%ret = call i32 @ffsll(i64 0)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 0
; CHECK-FFS-NEXT: ret i32 0
}
; Check ffs(c) -> cttz(c) + 1, where 'c' is a constant.
@ -56,45 +59,45 @@ define i32 @test_simplify6() {
}
define i32 @test_simplify7() {
; CHECK-LINUX-LABEL: @test_simplify7(
; CHECK-FFS-LABEL: @test_simplify7(
%ret = call i32 @ffsl(i32 65536)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 17
; CHECK-FFS-NEXT: ret i32 17
}
define i32 @test_simplify8() {
; CHECK-LINUX-LABEL: @test_simplify8(
; CHECK-FFS-LABEL: @test_simplify8(
%ret = call i32 @ffsll(i64 1024)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 11
; CHECK-FFS-NEXT: ret i32 11
}
define i32 @test_simplify9() {
; CHECK-LINUX-LABEL: @test_simplify9(
; CHECK-FFS-LABEL: @test_simplify9(
%ret = call i32 @ffsll(i64 65536)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 17
; CHECK-FFS-NEXT: ret i32 17
}
define i32 @test_simplify10() {
; CHECK-LINUX-LABEL: @test_simplify10(
; CHECK-FFS-LABEL: @test_simplify10(
%ret = call i32 @ffsll(i64 17179869184)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 35
; CHECK-FFS-NEXT: ret i32 35
}
define i32 @test_simplify11() {
; CHECK-LINUX-LABEL: @test_simplify11(
; CHECK-FFS-LABEL: @test_simplify11(
%ret = call i32 @ffsll(i64 281474976710656)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 49
; CHECK-FFS-NEXT: ret i32 49
}
define i32 @test_simplify12() {
; CHECK-LINUX-LABEL: @test_simplify12(
; CHECK-FFS-LABEL: @test_simplify12(
%ret = call i32 @ffsll(i64 1152921504606846976)
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 61
; CHECK-FFS-NEXT: ret i32 61
}
; Check ffs(x) -> x != 0 ? (i32)llvm.cttz(x) + 1 : 0.
@ -111,24 +114,24 @@ define i32 @test_simplify13(i32 %x) {
}
define i32 @test_simplify14(i32 %x) {
; CHECK-LINUX-LABEL: @test_simplify14(
; CHECK-FFS-LABEL: @test_simplify14(
%ret = call i32 @ffsl(i32 %x)
; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 true)
; CHECK-LINUX-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i32 [[CTTZ]], 1
; CHECK-LINUX-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i32 %x, 0
; CHECK-LINUX-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[INC]], i32 0
; CHECK-FFS-NEXT: [[CTTZ:%[a-z0-9]+]] = call i32 @llvm.cttz.i32(i32 %x, i1 true)
; CHECK-FFS-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i32 [[CTTZ]], 1
; CHECK-FFS-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i32 %x, 0
; CHECK-FFS-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[INC]], i32 0
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 [[RET]]
; CHECK-FFS-NEXT: ret i32 [[RET]]
}
define i32 @test_simplify15(i64 %x) {
; CHECK-LINUX-LABEL: @test_simplify15(
; CHECK-FFS-LABEL: @test_simplify15(
%ret = call i32 @ffsll(i64 %x)
; CHECK-LINUX-NEXT: [[CTTZ:%[a-z0-9]+]] = call i64 @llvm.cttz.i64(i64 %x, i1 true)
; CHECK-LINUX-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i64 [[CTTZ]], 1
; CHECK-LINUX-NEXT: [[TRUNC:%[a-z0-9]+]] = trunc i64 [[INC]] to i32
; CHECK-LINUX-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i64 %x, 0
; CHECK-LINUX-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[TRUNC]], i32 0
; CHECK-FFS-NEXT: [[CTTZ:%[a-z0-9]+]] = call i64 @llvm.cttz.i64(i64 %x, i1 true)
; CHECK-FFS-NEXT: [[INC:%[a-z0-9]+]] = add nuw nsw i64 [[CTTZ]], 1
; CHECK-FFS-NEXT: [[TRUNC:%[a-z0-9]+]] = trunc i64 [[INC]] to i32
; CHECK-FFS-NEXT: [[CMP:%[a-z0-9]+]] = icmp ne i64 %x, 0
; CHECK-FFS-NEXT: [[RET:%[a-z0-9]+]] = select i1 [[CMP]], i32 [[TRUNC]], i32 0
ret i32 %ret
; CHECK-LINUX-NEXT: ret i32 [[RET]]
; CHECK-FFS-NEXT: ret i32 [[RET]]
}

2
test/Transforms/InstCombine/pow-1.ll
View File

@ -6,6 +6,8 @@
; RUN: opt -instcombine -S < %s -mtriple=x86_64-apple-macosx10.8 | FileCheck %s --check-prefix=CHECK-NO-EXP10
; RUN: opt -instcombine -S < %s -mtriple=arm-apple-ios6.0 | FileCheck %s --check-prefix=CHECK-NO-EXP10
; RUN: opt -instcombine -S < %s -mtriple=x86_64-netbsd | FileCheck %s --check-prefix=CHECK-NO-EXP10
; RUN: opt -instcombine -S < %s -mtriple=arm-apple-tvos9.0 | FileCheck %s --check-prefix=CHECK-EXP10
; RUN: opt -instcombine -S < %s -mtriple=arm-apple-watchos2.0 | FileCheck %s --check-prefix=CHECK-EXP10
; rdar://7251832
; NOTE: The readonly attribute on the pow call should be preserved