mirror of
https://github.com/RPCSX/llvm.git
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922d314e8f
Adds an instruction itinerary to all x86 instructions, giving each a default latency of 1, using the InstrItinClass IIC_DEFAULT. Sets specific latencies for Atom for the instructions in files X86InstrCMovSetCC.td, X86InstrArithmetic.td, X86InstrControl.td, and X86InstrShiftRotate.td. The Atom latencies for the remainder of the x86 instructions will be set in subsequent patches. Adds a test to verify that the scheduler is working. Also changes the scheduling preference to "Hybrid" for i386 Atom, while leaving x86_64 as ILP. Patch by Preston Gurd! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149558 91177308-0d34-0410-b5e6-96231b3b80d8
209 lines
4.6 KiB
LLVM
209 lines
4.6 KiB
LLVM
; RUN: llc < %s -mcpu=generic -mtriple=i686-pc-linux-gnu -relocation-model=pic -asm-verbose=false -post-RA-scheduler=false | FileCheck %s -check-prefix=LINUX
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@ptr = external global i32*
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@dst = external global i32
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@src = external global i32
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define void @test0() nounwind {
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entry:
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store i32* @dst, i32** @ptr
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%tmp.s = load i32* @src
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store i32 %tmp.s, i32* @dst
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ret void
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; LINUX: test0:
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; LINUX: calll .L0$pb
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; LINUX-NEXT: .L0$pb:
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; LINUX-NEXT: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L0$pb),
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; LINUX: movl dst@GOT(%eax),
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; LINUX: movl ptr@GOT(%eax),
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; LINUX: movl src@GOT(%eax),
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; LINUX: ret
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}
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@ptr2 = global i32* null
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@dst2 = global i32 0
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@src2 = global i32 0
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define void @test1() nounwind {
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entry:
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store i32* @dst2, i32** @ptr2
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%tmp.s = load i32* @src2
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store i32 %tmp.s, i32* @dst2
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ret void
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; LINUX: test1:
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; LINUX: calll .L1$pb
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; LINUX-NEXT: .L1$pb:
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; LINUX-NEXT: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L1$pb), %eax
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; LINUX: movl dst2@GOT(%eax),
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; LINUX: movl ptr2@GOT(%eax),
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; LINUX: movl src2@GOT(%eax),
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; LINUX: ret
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}
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declare i8* @malloc(i32)
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define void @test2() nounwind {
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entry:
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%ptr = call i8* @malloc(i32 40)
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ret void
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; LINUX: test2:
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; LINUX: pushl %ebx
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; LINUX-NEXT: subl $8, %esp
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; LINUX-NEXT: calll .L2$pb
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; LINUX-NEXT: .L2$pb:
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; LINUX-NEXT: popl %ebx
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L2$pb), %ebx
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; LINUX: movl $40, (%esp)
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; LINUX: calll malloc@PLT
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; LINUX: addl $8, %esp
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; LINUX: popl %ebx
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; LINUX: ret
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}
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@pfoo = external global void(...)*
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define void @test3() nounwind {
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entry:
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%tmp = call void(...)*(...)* @afoo()
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store void(...)* %tmp, void(...)** @pfoo
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%tmp1 = load void(...)** @pfoo
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call void(...)* %tmp1()
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ret void
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; LINUX: test3:
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; LINUX: calll .L3$pb
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; LINUX-NEXT: .L3$pb:
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; LINUX: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L3$pb), %[[REG3:e..]]
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; LINUX: calll afoo@PLT
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; LINUX: movl pfoo@GOT(%[[REG3]]),
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; LINUX: calll *
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}
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declare void(...)* @afoo(...)
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define void @test4() nounwind {
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entry:
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call void(...)* @foo()
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ret void
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; LINUX: test4:
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; LINUX: calll .L4$pb
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; LINUX: popl %ebx
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L4$pb), %ebx
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; LINUX: calll foo@PLT
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}
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declare void @foo(...)
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@ptr6 = internal global i32* null
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@dst6 = internal global i32 0
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@src6 = internal global i32 0
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define void @test5() nounwind {
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entry:
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store i32* @dst6, i32** @ptr6
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%tmp.s = load i32* @src6
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store i32 %tmp.s, i32* @dst6
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ret void
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; LINUX: test5:
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; LINUX: calll .L5$pb
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; LINUX-NEXT: .L5$pb:
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; LINUX-NEXT: popl %eax
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L5$pb), %eax
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; LINUX: leal dst6@GOTOFF(%eax), %ecx
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; LINUX: movl %ecx, ptr6@GOTOFF(%eax)
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; LINUX: movl src6@GOTOFF(%eax), %ecx
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; LINUX: movl %ecx, dst6@GOTOFF(%eax)
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; LINUX: ret
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}
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;; Test constant pool references.
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define double @test6(i32 %a.u) nounwind {
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entry:
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%tmp = icmp eq i32 %a.u,0
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%retval = select i1 %tmp, double 4.561230e+02, double 1.234560e+02
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ret double %retval
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; LINUX: .LCPI6_0:
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; LINUX: test6:
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; LINUX: calll .L6$pb
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; LINUX: .L6$pb:
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L6$pb),
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; LINUX: fldl .LCPI6_0@GOTOFF(
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}
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;; Test jump table references.
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define void @test7(i32 %n.u) nounwind {
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entry:
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switch i32 %n.u, label %bb12 [i32 1, label %bb i32 2, label %bb6 i32 4, label %bb7 i32 5, label %bb8 i32 6, label %bb10 i32 7, label %bb1 i32 8, label %bb3 i32 9, label %bb4 i32 10, label %bb9 i32 11, label %bb2 i32 12, label %bb5 i32 13, label %bb11 ]
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bb:
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tail call void(...)* @foo1()
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ret void
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bb1:
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tail call void(...)* @foo2()
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ret void
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bb2:
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tail call void(...)* @foo6()
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ret void
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bb3:
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tail call void(...)* @foo3()
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ret void
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bb4:
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tail call void(...)* @foo4()
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ret void
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bb5:
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tail call void(...)* @foo5()
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ret void
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bb6:
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tail call void(...)* @foo1()
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ret void
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bb7:
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tail call void(...)* @foo2()
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ret void
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bb8:
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tail call void(...)* @foo6()
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ret void
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bb9:
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tail call void(...)* @foo3()
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ret void
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bb10:
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tail call void(...)* @foo4()
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ret void
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bb11:
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tail call void(...)* @foo5()
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ret void
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bb12:
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tail call void(...)* @foo6()
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ret void
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; LINUX: test7:
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; LINUX: calll .L7$pb
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; LINUX: .L7$pb:
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L7$pb),
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; LINUX: .LJTI7_0@GOTOFF(
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; LINUX: jmpl *
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; LINUX: .LJTI7_0:
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; LINUX: .long .LBB7_2@GOTOFF
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; LINUX: .long .LBB7_8@GOTOFF
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; LINUX: .long .LBB7_14@GOTOFF
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; LINUX: .long .LBB7_9@GOTOFF
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; LINUX: .long .LBB7_10@GOTOFF
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}
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declare void @foo1(...)
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declare void @foo2(...)
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declare void @foo6(...)
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declare void @foo3(...)
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declare void @foo4(...)
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declare void @foo5(...)
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