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| author | Jozef Kolek <jozef.kolek@imgtec.com> | 2015-03-11 20:28:31 +0000 |
|---|---|---|
| committer | Jozef Kolek <jozef.kolek@imgtec.com> | 2015-03-11 20:28:31 +0000 |
| commit | 4468947fce634c4bfd8968b3dabce0de2c706455 (patch) | |
| tree | f9b3c68cb8572b0f156321fd2f493f4e9c86810b /llvm | |
| parent | f5b673dd50a81200e37701d85e17688d032198be (diff) | |
| download | bcm5719-llvm-4468947fce634c4bfd8968b3dabce0de2c706455.tar.gz bcm5719-llvm-4468947fce634c4bfd8968b3dabce0de2c706455.zip | |
[mips][microMIPS] Make usage of NOT16 by code generator
Differential Revision: http://reviews.llvm.org/D7748
llvm-svn: 231963
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/Mips/MicroMipsInstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/Mips/MipsInstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Mips/micromips-not16.ll | 26 |
3 files changed, 30 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td index 19120202af7..2aab739dbd2 100644 --- a/llvm/lib/Target/Mips/MicroMipsInstrInfo.td +++ b/llvm/lib/Target/Mips/MicroMipsInstrInfo.td @@ -885,6 +885,8 @@ def : MipsPat<(i32 immSExt16:$imm), (ADDiu_MM ZERO, immSExt16:$imm)>; def : MipsPat<(i32 immZExt16:$imm), (ORi_MM ZERO, immZExt16:$imm)>; +def : MipsPat<(not GPR32:$in), + (NOR_MM GPR32Opnd:$in, ZERO)>; def : MipsPat<(add GPRMM16:$src, immSExtAddiur2:$imm), (ADDIUR2_MM GPRMM16:$src, immSExtAddiur2:$imm)>; diff --git a/llvm/lib/Target/Mips/MipsInstrInfo.td b/llvm/lib/Target/Mips/MipsInstrInfo.td index 3955a6249f3..e543641ceaa 100644 --- a/llvm/lib/Target/Mips/MipsInstrInfo.td +++ b/llvm/lib/Target/Mips/MipsInstrInfo.td @@ -1763,9 +1763,11 @@ def : WrapperPat<tblockaddress, ADDiu, GPR32>; def : WrapperPat<tjumptable, ADDiu, GPR32>; def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>; +let AdditionalPredicates = [NotInMicroMips] in { // Mips does not have "not", so we expand our way def : MipsPat<(not GPR32:$in), (NOR GPR32Opnd:$in, ZERO)>; +} // extended loads def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>; diff --git a/llvm/test/CodeGen/Mips/micromips-not16.ll b/llvm/test/CodeGen/Mips/micromips-not16.ll new file mode 100644 index 00000000000..d31aefae6f0 --- /dev/null +++ b/llvm/test/CodeGen/Mips/micromips-not16.ll @@ -0,0 +1,26 @@ +; RUN: llc -march=mipsel -mcpu=mips32r2 -mattr=+micromips \ +; RUN: -relocation-model=pic -O3 < %s | FileCheck %s + +define i32 @main() { +entry: + %retval = alloca i32, align 4 + %x = alloca i64, align 8 + store i32 0, i32* %retval + %0 = load i64, i64* %x, align 8 + %cmp = icmp ne i64 %0, 9223372036854775807 + br i1 %cmp, label %if.then, label %if.end + +if.then: + store i32 1, i32* %retval + br label %return + +if.end: + store i32 0, i32* %retval + br label %return + +return: + %1 = load i32, i32* %retval + ret i32 %1 +} + +; CHECK: not16 |
