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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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112
external/llvm/test/Transforms/Sink/call.ll vendored
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@ -1,112 +0,0 @@
; RUN: opt < %s -basicaa -sink -S | FileCheck %s
declare i32 @f_load_global() nounwind readonly
declare i32 @f_load_arg(i32*) nounwind readonly argmemonly
declare void @f_store_global(i32) nounwind
declare void @f_store_arg(i32*) nounwind argmemonly
declare void @f_readonly_arg(i32* readonly, i32*) nounwind argmemonly
declare i32 @f_readnone(i32) nounwind readnone
@A = external global i32
@B = external global i32
; Sink readonly call if no stores are in the way.
;
; CHECK-LABEL: @test_sink_no_stores(
; CHECK: true:
; CHECK-NEXT: %l = call i32 @f_load_global
; CHECK-NEXT: ret i32 %l
define i32 @test_sink_no_stores(i1 %z) {
%l = call i32 @f_load_global()
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; CHECK-LABEL: @test_sink_argmem_store(
; CHECK: true:
; CHECK-NEXT: %l = call i32 @f_load_arg
; CHECK-NEXT: ret i32 %l
define i32 @test_sink_argmem_store(i1 %z) {
%l = call i32 @f_load_arg(i32* @A)
store i32 0, i32* @B
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; CHECK-LABEL: @test_sink_argmem_call(
; CHECK: true:
; CHECK-NEXT: %l = call i32 @f_load_arg
; CHECK-NEXT: ret i32 %l
define i32 @test_sink_argmem_call(i1 %z) {
%l = call i32 @f_load_arg(i32* @A)
call void @f_store_arg(i32* @B)
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; CHECK-LABEL: @test_sink_argmem_multiple(
; CHECK: true:
; CHECK-NEXT: %l = call i32 @f_load_arg
; CHECK-NEXT: ret i32 %l
define i32 @test_sink_argmem_multiple(i1 %z) {
%l = call i32 @f_load_arg(i32* @A)
call void @f_readonly_arg(i32* @A, i32* @B)
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; But don't sink if there is a store.
;
; CHECK-LABEL: @test_nosink_store(
; CHECK: call i32 @f_load_global
; CHECK-NEXT: store i32
define i32 @test_nosink_store(i1 %z) {
%l = call i32 @f_load_global()
store i32 0, i32* @A
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; CHECK-LABEL: @test_nosink_call(
; CHECK: call i32 @f_load_global
; CHECK-NEXT: call void @f_store_global
define i32 @test_nosink_call(i1 %z) {
%l = call i32 @f_load_global()
call void @f_store_global(i32 0)
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}
; readnone calls are sunk across stores.
;
; CHECK-LABEL: @test_sink_readnone(
; CHECK: true:
; CHECK-NEXT: %l = call i32 @f_readnone(
; CHECK-NEXT: ret i32 %l
define i32 @test_sink_readnone(i1 %z) {
%l = call i32 @f_readnone(i32 0)
store i32 0, i32* @A
br i1 %z, label %true, label %false
true:
ret i32 %l
false:
ret i32 0
}