| ; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator %s -o - | FileCheck %s |
| |
| ; Check that we don't invalidate the vreg map. |
| ; This test is brittle: the invalidation only triggers when we grow the map. |
| |
| ; CHECK-LABEL: name: test_bitcast_invalid_vreg |
| define i32 @test_bitcast_invalid_vreg() { |
| %tmp0 = add i32 1, 2 |
| %tmp1 = add i32 3, 4 |
| %tmp2 = add i32 5, 6 |
| %tmp3 = add i32 7, 8 |
| %tmp4 = add i32 9, 10 |
| %tmp5 = add i32 11, 12 |
| %tmp6 = add i32 13, 14 |
| %tmp7 = add i32 15, 16 |
| %tmp8 = add i32 17, 18 |
| %tmp9 = add i32 19, 20 |
| %tmp10 = add i32 21, 22 |
| %tmp11 = add i32 23, 24 |
| %tmp12 = add i32 25, 26 |
| %tmp13 = add i32 27, 28 |
| %tmp14 = add i32 29, 30 |
| %tmp15 = add i32 30, 30 |
| |
| ; At this point we mapped 46 values. The 'i32 100' constant will grow the map. |
| ; CHECK: %46:_(s32) = G_CONSTANT i32 100 |
| ; CHECK: $w0 = COPY %46(s32) |
| %res = bitcast i32 100 to i32 |
| ret i32 %res |
| } |