Author: dim Date: Wed Jan 4 22:25:16 2017 New Revision: 311328 URL: https://svnweb.freebsd.org/changeset/base/311328
Log: Vendor import of llvm trunk r291015: https://llvm.org/svn/llvm-project/llvm/trunk@291015 Added: vendor/llvm/dist/test/CodeGen/PowerPC/fp64-to-int16.ll Modified: vendor/llvm/dist/include/llvm/Support/FileSystem.h vendor/llvm/dist/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp vendor/llvm/dist/test/CodeGen/AArch64/fptouint-i8-zext.ll Modified: vendor/llvm/dist/include/llvm/Support/FileSystem.h ============================================================================== --- vendor/llvm/dist/include/llvm/Support/FileSystem.h Wed Jan 4 22:19:42 2017 (r311327) +++ vendor/llvm/dist/include/llvm/Support/FileSystem.h Wed Jan 4 22:25:16 2017 (r311328) @@ -858,7 +858,7 @@ public: // No operator++ because we need error_code. recursive_directory_iterator &increment(std::error_code &ec) { - const directory_iterator end_itr; + const directory_iterator end_itr = {}; if (State->HasNoPushRequest) State->HasNoPushRequest = false; @@ -905,7 +905,7 @@ public: assert(State && "Cannot pop an end iterator!"); assert(State->Level > 0 && "Cannot pop an iterator with level < 1"); - const directory_iterator end_itr; + const directory_iterator end_itr = {}; std::error_code ec; do { if (ec) Modified: vendor/llvm/dist/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp ============================================================================== --- vendor/llvm/dist/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Wed Jan 4 22:19:42 2017 (r311327) +++ vendor/llvm/dist/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp Wed Jan 4 22:25:16 2017 (r311328) @@ -428,7 +428,11 @@ SDValue DAGTypeLegalizer::PromoteIntRes_ // Assert that the converted value fits in the original type. If it doesn't // (eg: because the value being converted is too big), then the result of the // original operation was undefined anyway, so the assert is still correct. - return DAG.getNode(NewOpc == ISD::FP_TO_UINT ? + // + // NOTE: fp-to-uint to fp-to-sint promotion guarantees zero extend. For example: + // before legalization: fp-to-uint16, 65534. -> 0xfffe + // after legalization: fp-to-sint32, 65534. -> 0x0000fffe + return DAG.getNode(N->getOpcode() == ISD::FP_TO_UINT ? ISD::AssertZext : ISD::AssertSext, dl, NVT, Res, DAG.getValueType(N->getValueType(0).getScalarType())); } Modified: vendor/llvm/dist/test/CodeGen/AArch64/fptouint-i8-zext.ll ============================================================================== --- vendor/llvm/dist/test/CodeGen/AArch64/fptouint-i8-zext.ll Wed Jan 4 22:19:42 2017 (r311327) +++ vendor/llvm/dist/test/CodeGen/AArch64/fptouint-i8-zext.ll Wed Jan 4 22:25:16 2017 (r311328) @@ -3,9 +3,11 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" target triple = "aarch64" +; If the float value is negative or too large, the result is undefined anyway; +; otherwise, fcvtzs must returns a value in [0, 256), which guarantees zext. + ; CHECK-LABEL: float_char_int_func: ; CHECK: fcvtzs [[A:w[0-9]+]], s0 -; CHECK-NEXT: and w0, [[A]], #0xff ; CHECK-NEXT: ret define i32 @float_char_int_func(float %infloatVal) { entry: Added: vendor/llvm/dist/test/CodeGen/PowerPC/fp64-to-int16.ll ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/llvm/dist/test/CodeGen/PowerPC/fp64-to-int16.ll Wed Jan 4 22:25:16 2017 (r311328) @@ -0,0 +1,21 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -O0 < %s | FileCheck %s +target triple = "powerpc64le--linux-gnu" + +define i1 @Test(double %a) { +; CHECK-LABEL: Test: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xscvdpsxws 1, 1 +; CHECK-NEXT: mfvsrwz 3, 1 +; CHECK-NEXT: xori 3, 3, 65534 +; CHECK-NEXT: cntlzw 3, 3 +; CHECK-NEXT: srwi 3, 3, 5 +; CHECK-NEXT: # implicit-def: %X4 +; CHECK-NEXT: mr 4, 3 +; CHECK-NEXT: mr 3, 4 +; CHECK-NEXT: blr +entry: + %conv = fptoui double %a to i16 + %cmp = icmp eq i16 %conv, -2 + ret i1 %cmp +} _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
