| # RUN: llc -march=hexagon -run-pass=hexagon-bit-simplify -o - %s | FileCheck %s |
| |
| # This test checks if the HexagonBitSimplify pass correctly replaces a |
| # S2_storerh_io with a S2_storerf_io that stores the upper halfword |
| # of a high subregister using appropriate subregister boundaries. |
| |
| # CHECK: S2_storerf_io %0, 28, %{{[0-9]+}}.isub_hi |
| # CHECK-NOT: S2_storerf_io %0, 28, %{{[0-9]+}}.isub_lo |
| |
| --- |
| name: test_store |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $r0 |
| %0:intregs = COPY $r0 |
| %1:doubleregs = IMPLICIT_DEF |
| %2:doubleregs = IMPLICIT_DEF |
| %3:doubleregs = S2_shuffoh %2, %1 |
| S2_storerh_io %0, 28, %3.isub_hi |
| ... |
