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author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
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committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/CodeGen/X86/half.ll | |
parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/CodeGen/X86/half.ll')
-rw-r--r-- | test/CodeGen/X86/half.ll | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/test/CodeGen/X86/half.ll b/test/CodeGen/X86/half.ll new file mode 100644 index 0000000..1dcf939 --- /dev/null +++ b/test/CodeGen/X86/half.ll @@ -0,0 +1,69 @@ +; RUN: llc < %s -march=x86-64 -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=-f16c | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LIBCALL +; RUN: llc < %s -march=x86-64 -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+f16c | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-F16C + +define void @test_load_store(half* %in, half* %out) { +; CHECK-LABEL: test_load_store: +; CHECK: movw (%rdi), [[TMP:%[a-z0-9]+]] +; CHECK: movw [[TMP]], (%rsi) + %val = load half* %in + store half %val, half* %out + ret void +} + +define i16 @test_bitcast_from_half(half* %addr) { +; CHECK-LABEL: test_bitcast_from_half: +; CHECK: movzwl (%rdi), %eax + %val = load half* %addr + %val_int = bitcast half %val to i16 + ret i16 %val_int +} + +define void @test_bitcast_to_half(half* %addr, i16 %in) { +; CHECK-LABEL: test_bitcast_to_half: +; CHECK: movw %si, (%rdi) + %val_fp = bitcast i16 %in to half + store half %val_fp, half* %addr + ret void +} + +define float @test_extend32(half* %addr) { +; CHECK-LABEL: test_extend32: + +; CHECK-LIBCALL: jmp __gnu_h2f_ieee +; CHECK-FP16: vcvtph2ps + %val16 = load half* %addr + %val32 = fpext half %val16 to float + ret float %val32 +} + +define double @test_extend64(half* %addr) { +; CHECK-LABEL: test_extend64: + +; CHECK-LIBCALL: callq __gnu_h2f_ieee +; CHECK-LIBCALL: cvtss2sd +; CHECK-FP16: vcvtph2ps +; CHECK-FP16: vcvtss2sd + %val16 = load half* %addr + %val32 = fpext half %val16 to double + ret double %val32 +} + +define void @test_trunc32(float %in, half* %addr) { +; CHECK-LABEL: test_trunc32: + +; CHECK-LIBCALL: callq __gnu_f2h_ieee +; CHECK-FP16: vcvtps2ph + %val16 = fptrunc float %in to half + store half %val16, half* %addr + ret void +} + +define void @test_trunc64(double %in, half* %addr) { +; CHECK-LABEL: test_trunc64: + +; CHECK-LIBCALL: callq __truncdfhf2 +; CHECK-FP16: callq __truncdfhf2 + %val16 = fptrunc double %in to half + store half %val16, half* %addr + ret void +} |