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https://github.com/c64scene-ar/llvm-6502.git
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572742e876
providing a misleading facility. It's used once in the MIPS backend and hardcoded as "\t.globl\t" everywhere else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45676 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
; RUN: llvm-as < %s | llc | grep caml.*__frametable
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; RUN: llvm-as < %s | llc -march=x86 | grep {movl .0}
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%struct.obj = type { i8*, %struct.obj* }
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define %struct.obj* @fun(%struct.obj* %head) gc "ocaml" {
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entry:
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%gcroot.0 = alloca i8*
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%gcroot.1 = alloca i8*
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call void @llvm.gcroot(i8** %gcroot.0, i8* null)
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call void @llvm.gcroot(i8** %gcroot.1, i8* null)
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%local.0 = bitcast i8** %gcroot.0 to %struct.obj**
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%local.1 = bitcast i8** %gcroot.1 to %struct.obj**
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store %struct.obj* %head, %struct.obj** %local.0
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br label %bb.loop
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bb.loop:
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%t0 = load %struct.obj** %local.0
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%t1 = getelementptr %struct.obj* %t0, i32 0, i32 1
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%t2 = bitcast %struct.obj* %t0 to i8*
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%t3 = bitcast %struct.obj** %t1 to i8**
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%t4 = call i8* @llvm.gcread(i8* %t2, i8** %t3)
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%t5 = bitcast i8* %t4 to %struct.obj*
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%t6 = icmp eq %struct.obj* %t5, null
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br i1 %t6, label %bb.loop, label %bb.end
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bb.end:
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%t7 = malloc %struct.obj
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store %struct.obj* %t7, %struct.obj** %local.1
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%t8 = bitcast %struct.obj* %t7 to i8*
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%t9 = load %struct.obj** %local.0
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%t10 = getelementptr %struct.obj* %t9, i32 0, i32 1
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%t11 = bitcast %struct.obj* %t9 to i8*
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%t12 = bitcast %struct.obj** %t10 to i8**
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call void @llvm.gcwrite(i8* %t8, i8* %t11, i8** %t12)
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ret %struct.obj* %t7
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}
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declare void @llvm.gcroot(i8** %value, i8* %tag)
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declare void @llvm.gcwrite(i8* %value, i8* %obj, i8** %field)
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declare i8* @llvm.gcread(i8* %obj, i8** %field)
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