113 lines
3.1 KiB
LLVM
113 lines
3.1 KiB
LLVM
; RUN: llc < %s -march=avr -filetype=asm | FileCheck %s -check-prefix=CHECK-ASM
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; RUN: llc < %s -march=avr -filetype=obj | llvm-objdump -Dr - \
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; RUN: | FileCheck %s -check-prefix=CHECK-OBJ
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; Somewhat pruned test case from rustc using trait objects
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%TraitObjectA = type {}
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; CHECK-ASM-LABEL: vtable.0:
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; CHECK-ASM-NEXT: .short pm(drop_in_place2)
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; CHECK-ASM-NEXT: .short 0
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; CHECK-ASM-NEXT: .short 1
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; CHECK-ASM-NEXT: .short pm(trait_fn2)
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; CHECK-OBJ-LABEL: <vtable.0>:
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; CHECK-OBJ-NEXT: 00 00
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; CHECK-OBJ-NEXT: R_AVR_16_PM .text
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; CHECK-OBJ-NEXT: 00 00
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; CHECK-OBJ-NEXT: 01 00 00 00
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; CHECK-OBJ-NEXT: R_AVR_16_PM .text
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@vtable.0 = private constant {
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void (%TraitObjectA*) addrspace(1)*,
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i16,
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i16,
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i8 (%TraitObjectA*) addrspace(1)*
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} {
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void (%TraitObjectA*) addrspace(1)*
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@drop_in_place2,
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i16 0,
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i16 1,
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i8 (%TraitObjectA*) addrspace(1)*
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@trait_fn2
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}, align 1
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; CHECK-ASM-LABEL: vtable.1:
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; CHECK-ASM-NEXT: .short pm(drop_in_place1)
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; CHECK-ASM-NEXT: .short 0
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; CHECK-ASM-NEXT: .short 1
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; CHECK-ASM-NEXT: .short pm(trait_fn1)
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; CHECK-OBJ-LABEL: <vtable.1>:
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; CHECK-OBJ-NEXT: 00 00
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; CHECK-OBJ-NEXT: R_AVR_16_PM .text
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; CHECK-OBJ-NEXT: 00 00
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; CHECK-OBJ-NEXT: 01 00 00 00
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; CHECK-OBJ-NEXT: R_AVR_16_PM .text
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@vtable.1 = private constant {
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void (%TraitObjectA*) addrspace(1)*,
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i16,
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i16,
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i8 (%TraitObjectA*) addrspace(1)*
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} {
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void (%TraitObjectA*) addrspace(1)*
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@drop_in_place1,
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i16 0,
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i16 1,
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i8 (%TraitObjectA*) addrspace(1)*
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@trait_fn1
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}, align 1
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define internal fastcc i8 @TraitObjectA_method(i1 zeroext %choice) addrspace(1) {
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start:
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%b = alloca %TraitObjectA, align 1
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%c = select i1 %choice, [3 x i16]* bitcast ({
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void (%TraitObjectA*) addrspace(1)*,
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i16,
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i16,
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i8 (%TraitObjectA*) addrspace(1)*
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}* @vtable.0 to [3 x i16]*),
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[3 x i16]* bitcast ({
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void (%TraitObjectA*) addrspace(1)*,
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i16,
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i16,
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i8 (%TraitObjectA*) addrspace(1)*
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}* @vtable.1 to [3 x i16]*)
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%b2 = bitcast %TraitObjectA* %b to {}*
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%res = call fastcc addrspace(1) i8 @call_trait_object({}* nonnull align 1 %b2, [3 x i16]* noalias readonly align 1 dereferenceable(6) %c)
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ret i8 %res
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}
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define internal fastcc i8 @call_trait_object({}* nonnull align 1 %a, [3 x i16]* noalias nocapture readonly align 1 dereferenceable(6) %b) addrspace(1) {
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start:
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%b2 = getelementptr inbounds [3 x i16], [3 x i16]* %b, i16 0, i16 3
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%c = bitcast i16* %b2 to i8 ({}*) addrspace(1)**
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%d = load i8 ({}*) addrspace(1)*, i8 ({}*) addrspace(1)** %c, align 1, !invariant.load !1, !nonnull !1
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%res = tail call addrspace(1) i8 %d({}* nonnull align 1 %a)
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ret i8 %res
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}
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define internal void @drop_in_place1(%TraitObjectA* nocapture %a) addrspace(1) {
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start:
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ret void
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}
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define internal i8 @trait_fn1(%TraitObjectA* noalias nocapture nonnull readonly align 1 %self) addrspace(1) {
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start:
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ret i8 89
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}
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define internal void @drop_in_place2(%TraitObjectA* nocapture %a) addrspace(1) {
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start:
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ret void
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}
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define internal i8 @trait_fn2(%TraitObjectA* noalias nocapture nonnull readonly align 1 %self) addrspace(1) {
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start:
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ret i8 79
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}
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!1 = !{}
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