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- ; RUN: opt -scalarrepl -S < %s | FileCheck %s
- ; rdar://9786827
- ; SROA should be able to handle the mixed types and eliminate the allocas here.
- ; TODO: Currently it does this by falling back to integer "bags of bits".
- ; With enough cleverness, it should be possible to convert between <3 x i32>
- ; and <2 x i64> by using a combination of a bitcast and a shuffle.
- ; CHECK: {
- ; CHECK-NOT: alloca
- ; CHECK: }
- target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
- target triple = "i386-apple-darwin11.0.0"
- define <2 x i64> @foo() nounwind {
- entry:
- %retval = alloca <3 x i32>, align 16
- %z = alloca <4 x i32>, align 16
- %tmp = load <4 x i32>, <4 x i32>* %z
- %tmp1 = shufflevector <4 x i32> %tmp, <4 x i32> undef, <3 x i32> <i32 0, i32 1, i32 2>
- store <3 x i32> %tmp1, <3 x i32>* %retval
- %0 = bitcast <3 x i32>* %retval to <2 x i64>*
- %1 = load <2 x i64>, <2 x i64>* %0, align 1
- ret <2 x i64> %1
- }
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