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Add test for bitcast array ptrs with address spaces

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188919 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-08-21 19:09:28 +00:00
parent 606deaf147
commit 795cfe3cfd
1 changed files with 22 additions and 0 deletions
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22
test/Transforms/InstCombine/getelementptr.ll
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@ -662,4 +662,26 @@ define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i
ret i8 %x
}
define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1(
; CHECK: getelementptr [100 x double] addrspace(1)* %arr, i16 0, i16 %V
; CHECK: bitcast
%cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)*
%V = mul i16 %N, 8
%t = getelementptr i64 addrspace(1)* %cast, i16 %V
%x = load i64 addrspace(1)* %t
ret i64 %x
}
define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1(
; CHECK: getelementptr [100 x double] addrspace(1)* %arr, i16 0, i16 %N
; CHECK: bitcast
%cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)*
%V = mul i16 %N, 8
%t = getelementptr i8 addrspace(1)* %cast, i16 %V
%x = load i8 addrspace(1)* %t
ret i8 %x
}
; CHECK: attributes [[NUW]] = { nounwind }