derek.holloway
7502bf64a4
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245 lines
8.9 KiB
LLVM
245 lines
8.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p --function-signature --check-globals
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; RUN: opt -mtriple=wasm32-unknown-unknown -S --passes=expand-variadics --expand-variadics-override=optimize < %s | FileCheck %s --check-prefixes=OPT
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; RUN: opt -mtriple=wasm32-unknown-unknown -S --passes=expand-variadics --expand-variadics-override=lowering < %s | FileCheck %s --check-prefixes=ABI
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; REQUIRES: webassembly-registered-target
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; Split variadic functions into two functions:
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; - one equivalent to the original, same symbol etc
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; - one implementing the contents of the original but taking a valist
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; IR here is applicable to any target that uses a ptr for valist
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;
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; Defines a function with each linkage (in the order of the llvm documentation).
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; If split applies it does the same transform to each.
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; Whether split applies depends on whether the ABI is being changed or not - e.g. a weak
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; function is not normally useful to split as the contents cannot be called from elsewhere.
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; If the ABI is being rewritten then the function is still converted. Call sites tested elsewhere.
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; Update test checks doesn't emit checks for declares
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declare void @sink_valist(ptr)
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declare void @llvm.va_start(ptr)
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declare void @llvm.va_end(ptr)
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declare void @decl_simple(...)
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define void @defn_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_simple(...) !prof !0 {
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; OPT-NEXT: entry:
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; OPT-NEXT: %va_start = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.lifetime.start.p0(ptr %va_start)
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va_start)
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; OPT-NEXT: %0 = load ptr, ptr %va_start, align 4
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; OPT-NEXT: call void @defn_simple.valist(ptr %0)
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; OPT-NEXT: call void @llvm.lifetime.end.p0(ptr %va_start)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for private
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define private void @defn_private_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_private_simple(...) !prof !0 {
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; OPT-NEXT: entry:
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; OPT-NEXT: %va_start = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.lifetime.start.p0(ptr %va_start)
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va_start)
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; OPT-NEXT: %0 = load ptr, ptr %va_start, align 4
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; OPT-NEXT: call void @defn_private_simple.valist(ptr %0)
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; OPT-NEXT: call void @llvm.lifetime.end.p0(ptr %va_start)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_private_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for internal
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define internal void @defn_internal_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_internal_simple(...) !prof !0 {
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; OPT-NEXT: entry:
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; OPT-NEXT: %va_start = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.lifetime.start.p0(ptr %va_start)
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va_start)
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; OPT-NEXT: %0 = load ptr, ptr %va_start, align 4
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; OPT-NEXT: call void @defn_internal_simple.valist(ptr %0)
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; OPT-NEXT: call void @llvm.lifetime.end.p0(ptr %va_start)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_internal_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for available_externally
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define available_externally void @available_externally_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@available_externally_simple(...) !prof !0 {
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; OPT-NEXT: %va = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va)
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; OPT-NEXT: call void @sink_valist(ptr %va)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@available_externally_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for linkonce
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define linkonce void @defn_linkonce_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_linkonce_simple(...) !prof !0 {
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; OPT-NEXT: %va = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va)
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; OPT-NEXT: call void @sink_valist(ptr %va)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_linkonce_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for weak
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define weak void @defn_weak_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_weak_simple(...) !prof !0 {
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; OPT-NEXT: %va = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va)
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; OPT-NEXT: call void @sink_valist(ptr %va)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_weak_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; common is not applicable to functions
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; appending is not applicable to functions
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declare extern_weak void @decl_extern_weak_simple(...)
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; no define for extern_weak
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; no declare for linkonce_odr
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define linkonce_odr void @defn_linkonce_odr_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_linkonce_odr_simple(...) !prof !0 {
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; OPT-NEXT: %va = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va)
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; OPT-NEXT: call void @sink_valist(ptr %va)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_linkonce_odr_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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; no declare for weak_odr
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define weak_odr void @defn_weak_odr_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_weak_odr_simple(...) !prof !0 {
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; OPT-NEXT: %va = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va)
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; OPT-NEXT: call void @sink_valist(ptr %va)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_weak_odr_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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declare external void @decl_external_simple(...)
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define external void @defn_external_simple(...) !prof !0 {
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; OPT-LABEL: define {{[^@]+}}@defn_external_simple(...) !prof !0 {
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; OPT-NEXT: entry:
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; OPT-NEXT: %va_start = alloca ptr, align 4
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; OPT-NEXT: call void @llvm.lifetime.start.p0(ptr %va_start)
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; OPT-NEXT: call void @llvm.va_start.p0(ptr %va_start)
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; OPT-NEXT: %0 = load ptr, ptr %va_start, align 4
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; OPT-NEXT: call void @defn_external_simple.valist(ptr %0)
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; OPT-NEXT: call void @llvm.lifetime.end.p0(ptr %va_start)
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; OPT-NEXT: ret void
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;
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; ABI-LABEL: define {{[^@]+}}@defn_external_simple(ptr %varargs) !prof !0 {
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; ABI-NEXT: %va = alloca ptr, align 4
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; ABI-NEXT: store ptr %varargs, ptr %va, align 4
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; ABI-NEXT: call void @sink_valist(ptr %va)
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; ABI-NEXT: ret void
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;
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%va = alloca ptr, align 4
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call void @llvm.va_start(ptr %va)
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call void @sink_valist(ptr %va)
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call void @llvm.va_end(ptr %va)
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ret void
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}
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!0 = !{!"function_entry_count", i64 1000}
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;.
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; OPT: attributes #0 = { nocallback nofree nosync nounwind willreturn }
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; OPT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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;.
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; ABI: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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;.
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; OPT: !0 = !{!"function_entry_count", i64 1000}
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;.
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; ABI: !0 = !{!"function_entry_count", i64 1000}
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;.
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