From d70f5a0eb4714c185902f2ac43caa9427e156df4 Mon Sep 17 00:00:00 2001 From: Krzysztof Parzyszek Date: Tue, 27 Feb 2018 18:31:46 +0000 Subject: [PATCH] [Hexagon] Add patterns for compares of i1 values llvm-svn: 326220 --- llvm/lib/Target/Hexagon/HexagonPatterns.td | 6 ++++-- llvm/test/CodeGen/Hexagon/isel-setcc-i1.ll | 27 +++++++++++++++++++++++++++ 2 files changed, 31 insertions(+), 2 deletions(-) create mode 100644 llvm/test/CodeGen/Hexagon/isel-setcc-i1.ll diff --git a/llvm/lib/Target/Hexagon/HexagonPatterns.td b/llvm/lib/Target/Hexagon/HexagonPatterns.td index b0aaded..46bdafd 100644 --- a/llvm/lib/Target/Hexagon/HexagonPatterns.td +++ b/llvm/lib/Target/Hexagon/HexagonPatterns.td @@ -679,8 +679,10 @@ def: Pat<(i32 (zext (i1 (seteq I32:$Rs, anyimm:$s8)))), def: Pat<(i32 (zext (i1 (setne I32:$Rs, anyimm:$s8)))), (A4_rcmpneqi I32:$Rs, imm:$s8)>; -def: Pat<(i1 (setne I1:$Ps, I1:$Pt)), - (C2_xor I1:$Ps, I1:$Pt)>; +def: Pat<(i1 (seteq I1:$Ps, (i1 -1))), (I1:$Ps)>; +def: Pat<(i1 (setne I1:$Ps, (i1 -1))), (C2_not I1:$Ps)>; +def: Pat<(i1 (seteq I1:$Ps, I1:$Pt)), (C2_xor I1:$Ps, (C2_not I1:$Pt))>; +def: Pat<(i1 (setne I1:$Ps, I1:$Pt)), (C2_xor I1:$Ps, I1:$Pt)>; def: Pat<(i1 (seteq V4I8:$Rs, V4I8:$Rt)), (A2_vcmpbeq (ToZext64 $Rs), (ToZext64 $Rt))>; diff --git a/llvm/test/CodeGen/Hexagon/isel-setcc-i1.ll b/llvm/test/CodeGen/Hexagon/isel-setcc-i1.ll new file mode 100644 index 0000000..8201c73 --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/isel-setcc-i1.ll @@ -0,0 +1,27 @@ +; RUN: llc -march=hexagon < %s | FileCheck %s + +; Check that this compiles successfully. +; CHECK: if (p0) + +target triple = "hexagon" + +define void @fred() #0 { +b0: + br label %b1 + +b1: ; preds = %b1, %b0 + %v2 = load i32, i32* undef, align 4 + %v3 = select i1 undef, i32 %v2, i32 0 + %v4 = and i32 %v3, 7 + %v5 = icmp eq i32 %v4, 4 + %v6 = or i1 undef, %v5 + %v7 = and i1 undef, %v6 + %v8 = xor i1 %v7, true + %v9 = or i1 undef, %v8 + br i1 %v9, label %b10, label %b1 + +b10: ; preds = %b1 + unreachable +} + +attributes #0 = { nounwind "target-cpu"="hexagonv55" } -- 2.7.4