diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/bitcast-store.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/bitcast-store.ll | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitcast-store.ll b/llvm/test/Transforms/InstCombine/bitcast-store.ll deleted file mode 100644 index 2308d77be32..00000000000 --- a/llvm/test/Transforms/InstCombine/bitcast-store.ll +++ /dev/null @@ -1,51 +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, !llvm.access.group !1 -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, !llvm.access.group !1 - 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} -!1 = !{}
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