http://llvm.org/bugs/show_bug.cgi?id=15267
Bug ID: 15267
Summary: Sign extend from <4 x i1> to <4 x i64> - wrong code
generated
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
The generated code for this testcase is wrong.
define <4 x i64> @test3(<4 x i1>* %in) nounwind {
%wide.load35 = load <4 x i1>* %in, align 1
%sext = sext <4 x i1> %wide.load35 to <4 x i64>
ret <4 x i64> %sext
}
movzbl (%rcx), %eax
shlq $63, %rax
sarq $63, %rax
vmovd %rax, %xmm0
vbroadcastsd %xmm0, %ymm0
ret
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