129 lines
4.2 KiB
LLVM
129 lines
4.2 KiB
LLVM
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; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator %s -o - | FileCheck %s
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@_ZTIi = external global i8*
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declare i32 @foo(i32)
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declare i32 @__gxx_personality_v0(...)
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declare i32 @llvm.eh.typeid.for(i8*)
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; CHECK-LABEL: name: bar
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; CHECK: body:
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; CHECK-NEXT: bb.1 (%ir-block.0):
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; CHECK: successors: %[[GOOD:bb.[0-9]+]]{{.*}}%[[BAD:bb.[0-9]+]]
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; CHECK: EH_LABEL
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; CHECK: $w0 = COPY
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; CHECK: BL @foo, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit-def $w0
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; CHECK: {{%[0-9]+}}:_(s32) = COPY $w0
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; CHECK: EH_LABEL
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; CHECK: G_BR %[[GOOD]]
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; CHECK: [[BAD]].{{[a-z]+}} (landing-pad):
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; CHECK: EH_LABEL
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; CHECK: [[PTR_RET:%[0-9]+]]:_(p0) = COPY $x0
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; CHECK: [[SEL_PTR:%[0-9]+]]:_(p0) = COPY $x1
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; CHECK: [[SEL_RET:%[0-9]+]]:_(s32) = G_PTRTOINT [[SEL_PTR]]
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; CHECK: $x0 = COPY [[PTR_RET]]
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; CHECK: $w1 = COPY [[SEL_RET]]
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; CHECK: [[GOOD]].{{[a-z]+}}:
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; CHECK: [[SEL:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
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; CHECK: $w1 = COPY [[SEL]]
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define { i8*, i32 } @bar() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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%res32 = invoke i32 @foo(i32 42) to label %continue unwind label %broken
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broken:
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%ptr.sel = landingpad { i8*, i32 } catch i8* bitcast(i8** @_ZTIi to i8*)
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ret { i8*, i32 } %ptr.sel
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continue:
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%sel.int = tail call i32 @llvm.eh.typeid.for(i8* bitcast(i8** @_ZTIi to i8*))
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%res.good = insertvalue { i8*, i32 } undef, i32 %sel.int, 1
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ret { i8*, i32 } %res.good
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}
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; CHECK-LABEL: name: test_invoke_indirect
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; CHECK: [[CALLEE:%[0-9]+]]:gpr64(p0) = COPY $x0
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; CHECK: BLR [[CALLEE]]
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define void @test_invoke_indirect(void()* %callee) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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invoke void %callee() to label %continue unwind label %broken
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broken:
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landingpad { i8*, i32 } catch i8* bitcast(i8** @_ZTIi to i8*)
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ret void
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continue:
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ret void
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}
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; CHECK-LABEL: name: test_invoke_varargs
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; CHECK: [[NULL:%[0-9]+]]:_(p0) = G_CONSTANT i64 0
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; CHECK: [[ANSWER:%[0-9]+]]:_(s32) = G_CONSTANT i32 42
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; CHECK: [[ONE:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.0
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; CHECK: $x0 = COPY [[NULL]]
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; CHECK: [[SP:%[0-9]+]]:_(p0) = COPY $sp
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; CHECK: [[OFFSET:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
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; CHECK: [[SLOT:%[0-9]+]]:_(p0) = G_PTR_ADD [[SP]], [[OFFSET]](s64)
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; CHECK: [[ANSWER_EXT:%[0-9]+]]:_(s64) = G_ANYEXT [[ANSWER]]
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; CHECK: G_STORE [[ANSWER_EXT]](s64), [[SLOT]]
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; CHECK: [[OFFSET:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
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; CHECK: [[SLOT:%[0-9]+]]:_(p0) = G_PTR_ADD [[SP]], [[OFFSET]](s64)
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; CHECK: G_STORE [[ONE]](s32), [[SLOT]]
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; CHECK: BL @printf
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declare void @printf(i8*, ...)
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define void @test_invoke_varargs() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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invoke void(i8*, ...) @printf(i8* null, i32 42, float 1.0) to label %continue unwind label %broken
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broken:
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landingpad { i8*, i32 } catch i8* bitcast(i8** @_ZTIi to i8*)
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ret void
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continue:
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ret void
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}
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; CHECK-LABEL: name: test_lpad_phi
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; CHECK: body:
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; CHECK-NEXT: bb.1 (%ir-block.0):
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; CHECK: successors: %[[GOOD:bb.[0-9]+]]{{.*}}%[[BAD:bb.[0-9]+]]
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; CHECK: [[ELEVEN:%[0-9]+]]:_(s32) = G_CONSTANT i32 11
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; CHECK: EH_LABEL
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; CHECK: BL @may_throw, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp
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; CHECK: EH_LABEL
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; CHECK: G_BR %[[GOOD]]
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; CHECK: [[BAD]].{{[a-z]+}} (landing-pad):
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; CHECK: [[PHI_ELEVEN:%[0-9]+]]:_(s32) = G_PHI [[ELEVEN]](s32), %bb.1
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; CHECK: EH_LABEL
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; CHECK: G_STORE [[PHI_ELEVEN]](s32), {{%[0-9]+}}(p0) :: (store 4 into @global_var)
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; CHECK: [[GOOD]].{{[a-z]+}}:
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; CHECK: [[SEL:%[0-9]+]]:_(s32) = G_PHI
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; CHECK: $w0 = COPY [[SEL]]
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@global_var = external global i32
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declare void @may_throw()
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define i32 @test_lpad_phi() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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store i32 42, i32* @global_var
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invoke void @may_throw()
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to label %continue unwind label %lpad
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lpad: ; preds = %entry
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%p = phi i32 [ 11, %0 ] ; Trivial, but -O0 keeps it
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%1 = landingpad { i8*, i32 }
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catch i8* null
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store i32 %p, i32* @global_var
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br label %continue
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continue: ; preds = %entry, %lpad
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%r.0 = phi i32 [ 13, %0 ], [ 55, %lpad ]
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ret i32 %r.0
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}
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