llvm-6502/test/CodeGen/Hexagon/cmpb_pred.ll
Jyotsna Verma 1d3d2c57f5 Hexagon: Use TFR_cond with cmpb.[eq,gt,gtu] to handle
zext( set[ne,eq,gt,ugt] (...) ) type of dag patterns.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174429 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05 19:20:45 +00:00

93 lines
2.0 KiB
LLVM

; RUN: llc -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s
; Generate various cmpb instruction followed by if (p0) .. if (!p0)...
target triple = "hexagon"
@Enum_global = external global i8
define i32 @Func_3(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp eq i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3b(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8* @Enum_global, align 1, !tbaa !0
%2 = trunc i32 %0 to i8
%cmp = icmp ne i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3c(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp eq i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3d(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8* @Enum_global, align 1, !tbaa !0
%2 = trunc i32 %0 to i8
%cmp = icmp eq i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3e(i32) nounwind readonly {
entry:
; CHECK-NOT: mux
%1 = load i8* @Enum_global, align 1, !tbaa !0
%2 = trunc i32 %0 to i8
%cmp = icmp eq i8 %1, %2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3f(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 255
%cmp = icmp ugt i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3g(i32) nounwind readnone {
entry:
; CHECK: mux
%conv = and i32 %0, 255
%cmp = icmp ult i32 %conv, 3
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3h(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 254
%cmp = icmp ult i32 %conv, 2
%selv = zext i1 %cmp to i32
ret i32 %selv
}
define i32 @Func_3i(i32) nounwind readnone {
entry:
; CHECK-NOT: mux
%conv = and i32 %0, 254
%cmp = icmp ugt i32 %conv, 1
%selv = zext i1 %cmp to i32
ret i32 %selv
}
!0 = metadata !{metadata !"omnipotent char", metadata !1}
!1 = metadata !{metadata !"Simple C/C++ TBAA"}