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Diffstat (limited to 'test/CodeGen/X86/pic.ll')
| -rw-r--r-- | test/CodeGen/X86/pic.ll | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pic.ll b/test/CodeGen/X86/pic.ll new file mode 100644 index 0000000..3a547f9 --- /dev/null +++ b/test/CodeGen/X86/pic.ll @@ -0,0 +1,208 @@ +; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic -asm-verbose=false | FileCheck %s -check-prefix=LINUX + +@ptr = external global i32* +@dst = external global i32 +@src = external global i32 + +define void @test1() nounwind { +entry: + store i32* @dst, i32** @ptr + %tmp.s = load i32* @src + store i32 %tmp.s, i32* @dst + ret void + +; LINUX: test1: +; LINUX: call .L1$pb +; LINUX-NEXT: .L1$pb: +; LINUX-NEXT: popl +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref1-.L1$pb), +; LINUX: movl dst@GOT(%eax), +; LINUX: movl ptr@GOT(%eax), +; LINUX: movl src@GOT(%eax), +; LINUX: ret +} + +@ptr2 = global i32* null +@dst2 = global i32 0 +@src2 = global i32 0 + +define void @test2() nounwind { +entry: + store i32* @dst2, i32** @ptr2 + %tmp.s = load i32* @src2 + store i32 %tmp.s, i32* @dst2 + ret void + +; LINUX: test2: +; LINUX: call .L2$pb +; LINUX-NEXT: .L2$pb: +; LINUX-NEXT: popl +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref2-.L2$pb), %eax +; LINUX: movl dst2@GOT(%eax), +; LINUX: movl ptr2@GOT(%eax), +; LINUX: movl src2@GOT(%eax), +; LINUX: ret + +} + +declare i8* @malloc(i32) + +define void @test3() nounwind { +entry: + %ptr = call i8* @malloc(i32 40) + ret void +; LINUX: test3: +; LINUX: pushl %ebx +; LINUX-NEXT: subl $8, %esp +; LINUX-NEXT: call .L3$pb +; LINUX-NEXT: .L3$pb: +; LINUX-NEXT: popl %ebx +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref3-.L3$pb), %ebx +; LINUX: movl $40, (%esp) +; LINUX: call malloc@PLT +; LINUX: addl $8, %esp +; LINUX: popl %ebx +; LINUX: ret +} + +@pfoo = external global void(...)* + +define void @test4() nounwind { +entry: + %tmp = call void(...)*(...)* @afoo() + store void(...)* %tmp, void(...)** @pfoo + %tmp1 = load void(...)** @pfoo + call void(...)* %tmp1() + ret void +; LINUX: test4: +; LINUX: call .L4$pb +; LINUX-NEXT: .L4$pb: +; LINUX: popl +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref4-.L4$pb), +; LINUX: movl pfoo@GOT(%esi), +; LINUX: call afoo@PLT +; LINUX: call * +} + +declare void(...)* @afoo(...) + +define void @test5() nounwind { +entry: + call void(...)* @foo() + ret void +; LINUX: test5: +; LINUX: call .L5$pb +; LINUX: popl %ebx +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref5-.L5$pb), %ebx +; LINUX: call foo@PLT +} + +declare void @foo(...) + + +@ptr6 = internal global i32* null +@dst6 = internal global i32 0 +@src6 = internal global i32 0 + +define void @test6() nounwind { +entry: + store i32* @dst6, i32** @ptr6 + %tmp.s = load i32* @src6 + store i32 %tmp.s, i32* @dst6 + ret void + +; LINUX: test6: +; LINUX: call .L6$pb +; LINUX-NEXT: .L6$pb: +; LINUX-NEXT: popl %eax +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref6-.L6$pb), %eax +; LINUX: leal dst6@GOTOFF(%eax), %ecx +; LINUX: movl %ecx, ptr6@GOTOFF(%eax) +; LINUX: movl src6@GOTOFF(%eax), %ecx +; LINUX: movl %ecx, dst6@GOTOFF(%eax) +; LINUX: ret +} + + +;; Test constant pool references. +define double @test7(i32 %a.u) nounwind { +entry: + %tmp = icmp eq i32 %a.u,0 + %retval = select i1 %tmp, double 4.561230e+02, double 1.234560e+02 + ret double %retval + +; LINUX: .LCPI7_0: + +; LINUX: test7: +; LINUX: call .L7$pb +; LINUX: .L7$pb: +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref7-.L7$pb), +; LINUX: fldl .LCPI7_0@GOTOFF( +} + + +;; Test jump table references. +define void @test8(i32 %n.u) nounwind { +entry: + 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 ] +bb: + tail call void(...)* @foo1() + ret void +bb1: + tail call void(...)* @foo2() + ret void +bb2: + tail call void(...)* @foo6() + ret void +bb3: + tail call void(...)* @foo3() + ret void +bb4: + tail call void(...)* @foo4() + ret void +bb5: + tail call void(...)* @foo5() + ret void +bb6: + tail call void(...)* @foo1() + ret void +bb7: + tail call void(...)* @foo2() + ret void +bb8: + tail call void(...)* @foo6() + ret void +bb9: + tail call void(...)* @foo3() + ret void +bb10: + tail call void(...)* @foo4() + ret void +bb11: + tail call void(...)* @foo5() + ret void +bb12: + tail call void(...)* @foo6() + ret void + +; LINUX: test8: +; LINUX: call .L8$pb +; LINUX: .L8$pb: +; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.Lpicbaseref8-.L8$pb), +; LINUX: addl .LJTI8_0@GOTOFF( +; LINUX: jmpl *%ecx + +; LINUX: .LJTI8_0: +; LINUX: .long .LBB8_2@GOTOFF +; LINUX: .long .LBB8_2@GOTOFF +; LINUX: .long .LBB8_7@GOTOFF +; LINUX: .long .LBB8_3@GOTOFF +; LINUX: .long .LBB8_7@GOTOFF +} + +declare void @foo1(...) +declare void @foo2(...) +declare void @foo6(...) +declare void @foo3(...) +declare void @foo4(...) +declare void @foo5(...) |
