diff options
Diffstat (limited to 'test/CodeGen/AArch64/fold-constants.ll')
| -rw-r--r-- | test/CodeGen/AArch64/fold-constants.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/fold-constants.ll b/test/CodeGen/AArch64/fold-constants.ll new file mode 100644 index 0000000..2dd0d12 --- /dev/null +++ b/test/CodeGen/AArch64/fold-constants.ll @@ -0,0 +1,21 @@ +; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s + +define i64 @dotests_616() { +; CHECK-LABEL: dotests_616 +; CHECK: movi d0, #0000000000000000 +; CHECK-NEXT: umov w8, v0.b[2] +; CHECK-NEXT: sbfx w8, w8, #0, #1 +; CHECK-NEXT: fmov s0, w8 +; CHECK-NEXT: fmov x0, d0 +; CHECK-NEXT: ret +entry: + %0 = bitcast <2 x i64> zeroinitializer to <8 x i16> + %1 = and <8 x i16> zeroinitializer, %0 + %2 = icmp ne <8 x i16> %1, zeroinitializer + %3 = extractelement <8 x i1> %2, i32 2 + %vgetq_lane285 = sext i1 %3 to i16 + %vset_lane = insertelement <4 x i16> undef, i16 %vgetq_lane285, i32 0 + %4 = bitcast <4 x i16> %vset_lane to <1 x i64> + %vget_lane = extractelement <1 x i64> %4, i32 0 + ret i64 %vget_lane +} |