Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstCombine/bitcast-store.ll

@@ -1,50 +0,0 @@
-; RUN: opt -S -instcombine < %s | FileCheck %s
-
-; Instcombine should preserve metadata and alignment while
-; folding a bitcast into a store.
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-
-%struct.A = type { i32 (...)** }
-
-@G = external constant [5 x i8*]
-
-; CHECK-LABEL: @foo
-; CHECK: store i32 %x, i32* %{{.*}}, align 16, !noalias !0
-define void @foo(i32 %x, float* %p) nounwind {
-entry:
-  %x.cast = bitcast i32 %x to float
-  store float %x.cast, float* %p, align 16, !noalias !0
-  ret void
-}
-
-; Check instcombine doesn't try and fold the following bitcast into the store.
-; This transformation would not be safe since we would need to use addrspacecast
-; and addrspacecast is not guaranteed to be a no-op cast.
-
-; CHECK-LABEL: @bar
-; CHECK: %cast = bitcast i8** %b to i8 addrspace(1)**
-; CHECK: store i8 addrspace(1)* %a, i8 addrspace(1)** %cast
-define void @bar(i8 addrspace(1)* %a, i8** %b) nounwind {
-entry:
-  %cast = bitcast i8** %b to i8 addrspace(1)**
-  store i8 addrspace(1)* %a, i8 addrspace(1)** %cast
-  ret void
-}
-
-; Check that we don't combine the bitcast into the store. This would create a
-; bitcast of the swifterror which is invalid.
-
-; CHECK-LABEL; @swifterror_store
-; CHECK: bitcast i64
-; CHECK: store %swift.error
-
-%swift.error = type opaque
-define void @swifterror_store(i64* %x, %swift.error** swifterror %err) {
-entry:
-  %casted = bitcast i64* %x to %swift.error*
-  store %swift.error* %casted, %swift.error** %err
-  ret void
-}
-
-!0 = !{!0}