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llvm-6502/test/CodeGen/PowerPC/fast-isel-cmp-imm.ll
Bill Schmidt e206efd39b [PowerPC] Handle selection of compare instructions in fast-isel. 
Mostly trivial patch adding support for compares.  The meat of the
work was added with the branch support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189639 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-30 03:16:48 +00:00

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; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s --check-prefix=ELF64
define void @t1a(float %a) uwtable ssp {
entry:
; ELF64: t1a
%cmp = fcmp oeq float %a, 0.000000e+00
; ELF64: addis
; ELF64: lfs
; ELF64: fcmpu
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
declare void @foo()
define void @t1b(float %a) uwtable ssp {
entry:
; ELF64: t1b
%cmp = fcmp oeq float %a, -0.000000e+00
; ELF64: addis
; ELF64: lfs
; ELF64: fcmpu
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t2a(double %a) uwtable ssp {
entry:
; ELF64: t2a
%cmp = fcmp oeq double %a, 0.000000e+00
; ELF64: addis
; ELF64: lfd
; ELF64: fcmpu
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t2b(double %a) uwtable ssp {
entry:
; ELF64: t2b
%cmp = fcmp oeq double %a, -0.000000e+00
; ELF64: addis
; ELF64: lfd
; ELF64: fcmpu
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t4(i8 signext %a) uwtable ssp {
entry:
; ELF64: t4
%cmp = icmp eq i8 %a, -1
; ELF64: extsb
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t5(i8 zeroext %a) uwtable ssp {
entry:
; ELF64: t5
%cmp = icmp eq i8 %a, 1
; ELF64: extsb
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t6(i16 signext %a) uwtable ssp {
entry:
; ELF64: t6
%cmp = icmp eq i16 %a, -1
; ELF64: extsh
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t7(i16 zeroext %a) uwtable ssp {
entry:
; ELF64: t7
%cmp = icmp eq i16 %a, 1
; ELF64: extsh
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t8(i32 %a) uwtable ssp {
entry:
; ELF64: t8
%cmp = icmp eq i32 %a, -1
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t9(i32 %a) uwtable ssp {
entry:
; ELF64: t9
%cmp = icmp eq i32 %a, 1
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t10(i32 %a) uwtable ssp {
entry:
; ELF64: t10
%cmp = icmp eq i32 %a, 384
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t11(i32 %a) uwtable ssp {
entry:
; ELF64: t11
%cmp = icmp eq i32 %a, 4096
; ELF64: cmpwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t12(i8 %a) uwtable ssp {
entry:
; ELF64: t12
%cmp = icmp ugt i8 %a, -113
; ELF64: rlwinm
; ELF64: cmplwi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t13() nounwind ssp {
entry:
; ELF64: t13
%cmp = icmp slt i32 -123, -2147483648
; ELF64: li
; ELF64: lis
; ELF64: cmpw
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
ret void
if.end: ; preds = %entry
ret void
}
define void @t14(i64 %a) uwtable ssp {
entry:
; ELF64: t14
%cmp = icmp eq i64 %a, -1
; ELF64: cmpdi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t15(i64 %a) uwtable ssp {
entry:
; ELF64: t15
%cmp = icmp eq i64 %a, 1
; ELF64: cmpdi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t16(i64 %a) uwtable ssp {
entry:
; ELF64: t16
%cmp = icmp eq i64 %a, 384
; ELF64: cmpdi
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
define void @t17(i64 %a) uwtable ssp {
entry:
; ELF64: t17
%cmp = icmp eq i64 %a, 32768
; Extra operand so we don't match on cmpdi.
; ELF64: cmpd {{[0-9]+}}
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo()
br label %if.end
if.end: ; preds = %if.then, %entry
ret void
}
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