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https://github.com/RPCS3/llvm-mirror.git
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dea3347167
more callee-saved registers and introduce copies. Only allows it if scheduling a node above calls would end up lessen register pressure. Call operands also has added ABI restrictions for register allocation, so be extra careful with hoisting them above calls. rdar://9329627 llvm-svn: 130245
209 lines
4.6 KiB
LLVM
209 lines
4.6 KiB
LLVM
; RUN: llc < %s -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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