mirror of
https://github.com/c64scene-ar/llvm-6502.git
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90 lines
3.1 KiB
LLVM
90 lines
3.1 KiB
LLVM
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; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s
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%struct.A = type { i8 }
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%struct.B = type { i32 }
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%struct.C = type { %struct.B }
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%struct.D = type { %struct.B }
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%struct.E = type { %struct.B }
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declare %struct.A* @A_ctor(%struct.A* returned)
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declare %struct.B* @B_ctor(%struct.B* returned, i32)
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declare %struct.A* @A_ctor_nothisret(%struct.A*)
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declare %struct.B* @B_ctor_nothisret(%struct.B*, i32)
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define %struct.C* @C_ctor(%struct.C* %this, i32 %y) {
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entry:
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; CHECK: C_ctor:
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; CHECK: jmp B_ctor # TAILCALL
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%0 = getelementptr inbounds %struct.C* %this, i64 0, i32 0
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%call = tail call %struct.B* @B_ctor(%struct.B* %0, i32 %y)
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ret %struct.C* %this
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}
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define %struct.C* @C_ctor_nothisret(%struct.C* %this, i32 %y) {
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entry:
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; CHECK: C_ctor_nothisret:
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; CHECK-NOT: jmp B_ctor_nothisret
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%0 = getelementptr inbounds %struct.C* %this, i64 0, i32 0
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%call = tail call %struct.B* @B_ctor_nothisret(%struct.B* %0, i32 %y)
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ret %struct.C* %this
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}
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define %struct.D* @D_ctor(%struct.D* %this, i32 %y) {
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entry:
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; CHECK: D_ctor:
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; CHECK: movq %rcx, [[SAVETHIS:%r[0-9a-z]+]]
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; CHECK: callq A_ctor
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; CHECK: movq [[SAVETHIS]], %rcx
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; CHECK: jmp B_ctor # TAILCALL
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%0 = bitcast %struct.D* %this to %struct.A*
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%call = tail call %struct.A* @A_ctor(%struct.A* %0)
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%1 = getelementptr inbounds %struct.D* %this, i64 0, i32 0
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%call2 = tail call %struct.B* @B_ctor(%struct.B* %1, i32 %y)
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; (this next line would never be generated by Clang, actually)
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%2 = bitcast %struct.A* %call to %struct.D*
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ret %struct.D* %2
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}
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define %struct.D* @D_ctor_nothisret(%struct.D* %this, i32 %y) {
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entry:
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; CHECK: D_ctor_nothisret:
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; CHECK: movq %rcx, [[SAVETHIS:%r[0-9a-z]+]]
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; CHECK: callq A_ctor_nothisret
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; CHECK: movq [[SAVETHIS]], %rcx
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; CHECK-NOT: jmp B_ctor_nothisret
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%0 = bitcast %struct.D* %this to %struct.A*
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%call = tail call %struct.A* @A_ctor_nothisret(%struct.A* %0)
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%1 = getelementptr inbounds %struct.D* %this, i64 0, i32 0
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%call2 = tail call %struct.B* @B_ctor_nothisret(%struct.B* %1, i32 %y)
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; (this next line would never be generated by Clang, actually)
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%2 = bitcast %struct.A* %call to %struct.D*
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ret %struct.D* %2
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}
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define %struct.E* @E_ctor(%struct.E* %this, i32 %x) {
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entry:
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; CHECK: E_ctor:
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; CHECK: movq %rcx, [[SAVETHIS:%r[0-9a-z]+]]
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; CHECK: callq B_ctor
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; CHECK: movq [[SAVETHIS]], %rcx
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; CHECK: jmp B_ctor # TAILCALL
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%b = getelementptr inbounds %struct.E* %this, i64 0, i32 0
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%call = tail call %struct.B* @B_ctor(%struct.B* %b, i32 %x)
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%call4 = tail call %struct.B* @B_ctor(%struct.B* %b, i32 %x)
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ret %struct.E* %this
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}
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define %struct.E* @E_ctor_nothisret(%struct.E* %this, i32 %x) {
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entry:
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; CHECK: E_ctor_nothisret:
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; CHECK: movq %rcx, [[SAVETHIS:%r[0-9a-z]+]]
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; CHECK: callq B_ctor_nothisret
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; CHECK: movq [[SAVETHIS]], %rcx
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; CHECK-NOT: jmp B_ctor_nothisret
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%b = getelementptr inbounds %struct.E* %this, i64 0, i32 0
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%call = tail call %struct.B* @B_ctor_nothisret(%struct.B* %b, i32 %x)
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%call4 = tail call %struct.B* @B_ctor_nothisret(%struct.B* %b, i32 %x)
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ret %struct.E* %this
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}
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