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llvm-mirror/test/CodeGen/ARM/dagcombine-anyexttozeroext.ll
2012-04-05 10:01:12 +00:00

31 lines
698 B
LLVM

; RUN: llc -mtriple armv7 %s -o - | FileCheck %s
; CHECK: f:
define float @f(<4 x i16>* nocapture %in) {
; CHECK: vldr
; CHECK: vmovl.u16
; CHECK-NOT: vand
%1 = load <4 x i16>* %in
; CHECK: vcvt.f32.u32
%2 = uitofp <4 x i16> %1 to <4 x float>
%3 = extractelement <4 x float> %2, i32 0
%4 = extractelement <4 x float> %2, i32 1
%5 = extractelement <4 x float> %2, i32 2
; CHECK: vadd.f32
%6 = fadd float %3, %4
%7 = fadd float %6, %5
ret float %7
}
define float @g(<4 x i16>* nocapture %in) {
; CHECK: vldr
%1 = load <4 x i16>* %in
; CHECK-NOT: uxth
%2 = extractelement <4 x i16> %1, i32 0
; CHECK: vcvt.f32.u32
%3 = uitofp i16 %2 to float
ret float %3
}