c67c9cfe3f
Reland of 00bf4755.
This patches fixes the visibility and linkage information of symbols
referring to IR globals.
Emission of external declarations is now done in the first execution
of emitConstantPool rather than in emitLinkage (and a few other
places). This is the point where we have already gathered information
about used symbols (by running the MC Lower PrePass) and not yet
started emitting any functions so that any declarations that need to
be emitted are done so at the top of the file before any functions.
This changes the order of a few directives in the final asm file which
required an update to a few tests.
Reviewed By: sbc100
Differential Revision: https://reviews.llvm.org/D118995
83 lines
3.0 KiB
LLVM
83 lines
3.0 KiB
LLVM
; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s
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%funcref = type i8 addrspace(20)* ;; addrspace 20 is nonintegral
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@funcref_table = local_unnamed_addr addrspace(1) global [0 x %funcref] undef
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define void @set_funcref_table(%funcref %g, i32 %i) {
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; CHECK-LABEL: set_funcref_table:
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; CHECK-NEXT: .functype set_funcref_table (funcref, i32) -> ()
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; CHECK-NEXT: local.get 1
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.set funcref_table
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; CHECK-NEXT: end_function
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;; this generates a table.set of @funcref_table
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%p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %i
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store %funcref %g, %funcref addrspace(1)* %p
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ret void
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}
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define void @set_funcref_table_const(%funcref %g) {
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; CHECK-LABEL: set_funcref_table_const:
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; CHECK-NEXT: .functype set_funcref_table_const (funcref) -> ()
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; CHECK-NEXT: i32.const 0
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.set funcref_table
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; CHECK-NEXT: end_function
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%p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 0
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store %funcref %g, %funcref addrspace(1)* %p
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ret void
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}
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define void @set_funcref_table_with_offset(%funcref %g, i32 %i) {
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; CHECK-LABEL: set_funcref_table_with_offset:
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; CHECK-NEXT: .functype set_funcref_table_with_offset (funcref, i32) -> ()
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; CHECK-NEXT: local.get 1
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; CHECK-NEXT: i32.const 2
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; CHECK-NEXT: i32.add
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.set funcref_table
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; CHECK-NEXT: end_function
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%off = add nsw i32 %i, 2
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%p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
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store %funcref %g, %funcref addrspace(1)* %p
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ret void
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}
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define void @set_funcref_table_with_var_offset(%funcref %g, i32 %i, i32 %j) {
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; CHECK-LABEL: set_funcref_table_with_var_offset:
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; CHECK-NEXT: .functype set_funcref_table_with_var_offset (funcref, i32, i32) -> ()
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; CHECK-NEXT: local.get 1
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; CHECK-NEXT: local.get 2
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; CHECK-NEXT: i32.add
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.set funcref_table
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; CHECK-NEXT: end_function
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%off = add nsw i32 %i, %j
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%p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
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store %funcref %g, %funcref addrspace(1)* %p
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ret void
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}
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declare i32 @set_offset()
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define void @set_funcref_table_with_var_offset2(%funcref %g, i32 %i) {
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; CHECK-LABEL: set_funcref_table_with_var_offset2:
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; CHECK-NEXT: .functype set_funcref_table_with_var_offset2 (funcref, i32) -> ()
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; CHECK-NEXT: local.get 1
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; CHECK-NEXT: call set_offset
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; CHECK-NEXT: i32.add
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.set funcref_table
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; CHECK-NEXT: end_function
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%j = call i32 @set_offset()
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%off = add nsw i32 %i, %j
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%p = getelementptr [0 x %funcref], [0 x %funcref] addrspace (1)* @funcref_table, i32 0, i32 %off
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store %funcref %g, %funcref addrspace(1)* %p
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ret void
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}
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; CHECK: .tabletype funcref_table, funcref
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; CHECK-LABEL: funcref_table:
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