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| author | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
| commit | ebe69fe11e48d322045d5949c83283927a0d790b (patch) | |
| tree | c92f1907a6b8006628a4b01615f38264d29834ea /test/CodeGen/AArch64/bitcast-v2i8.ll | |
| parent | b7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff) | |
| download | external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.zip external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.gz external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.bz2 | |
Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'test/CodeGen/AArch64/bitcast-v2i8.ll')
| -rw-r--r-- | test/CodeGen/AArch64/bitcast-v2i8.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/bitcast-v2i8.ll b/test/CodeGen/AArch64/bitcast-v2i8.ll new file mode 100644 index 0000000..4bdac64 --- /dev/null +++ b/test/CodeGen/AArch64/bitcast-v2i8.ll @@ -0,0 +1,15 @@ +; RUN: llc < %s -mtriple=aarch64-apple-ios | FileCheck %s + +; Part of PR21549: going through the stack isn't ideal but is correct. + +define i16 @test_bitcast_v2i8_to_i16(<2 x i8> %a) { +; CHECK-LABEL: test_bitcast_v2i8_to_i16 +; CHECK: mov.s [[WREG_HI:w[0-9]+]], v0[1] +; CHECK-NEXT: fmov [[WREG_LO:w[0-9]+]], s0 +; CHECK-NEXT: strb [[WREG_HI]], [sp, #15] +; CHECK-NEXT: strb [[WREG_LO]], [sp, #14] +; CHECK-NEXT: ldrh w0, [sp, #14] + + %aa = bitcast <2 x i8> %a to i16 + ret i16 %aa +} |