44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
|
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -verify-machineinstrs | FileCheck %s
|
||
|
|
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -verify-machineinstrs -ppc-gen-isel=false | FileCheck --check-prefix=CHECK-NO-ISEL %s
|
||
|
|
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
|
||
|
|
target triple = "powerpc64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define i32 @test(i32 %a, i32 %b, i32 %c, i32 %d) {
|
||
|
|
entry:
|
||
|
|
%sext82 = shl i32 %d, 16
|
||
|
|
%conv29 = ashr exact i32 %sext82, 16
|
||
|
|
%cmp = icmp slt i32 %sext82, 0
|
||
|
|
br i1 %cmp, label %cond.true, label %cond.false
|
||
|
|
|
||
|
|
cond.true: ; preds = %sw.epilog
|
||
|
|
%and33 = and i32 %conv29, 32767
|
||
|
|
%sub34 = sub nsw i32 %a, %and33
|
||
|
|
br label %cond.end
|
||
|
|
|
||
|
|
cond.false: ; preds = %sw.epilog
|
||
|
|
%add37 = add nsw i32 %conv29, %a
|
||
|
|
br label %cond.end
|
||
|
|
|
||
|
|
; CHECK-LABEL: @test
|
||
|
|
; CHECK-NO-ISEL-LABEL: @test
|
||
|
|
; CHECK: add [[REG:[0-9]+]],
|
||
|
|
; CHECK: sub [[REG2:[0-9]+]],
|
||
|
|
; CHECK: iselgt {{[0-9]+}}, [[REG]], [[REG2]]
|
||
|
|
; CHECK-NO-ISEL: bc 12, 1, [[TRUE:.LBB[0-9]+]]
|
||
|
|
; CHECK-NO-ISEL-NEXT: b [[SUCCESSOR:.LBB[0-9]+]]
|
||
|
|
; CHECK-NO-ISEL: [[TRUE]]
|
||
|
|
; CHECK-NO-ISEL-NEXT: addi 5, 6, 0
|
||
|
|
; CHECK-NO-ISEL: extsh 5, 5
|
||
|
|
; CHECK-NO-ISEL-NEXT: add 3, 3, 5
|
||
|
|
; CHECK-NO-ISEL-NEXT: blr
|
||
|
|
|
||
|
|
cond.end: ; preds = %cond.false, %cond.true
|
||
|
|
%cond = phi i32 [ %sub34, %cond.true ], [ %add37, %cond.false ]
|
||
|
|
%sext83 = shl i32 %cond, 16
|
||
|
|
%conv39 = ashr exact i32 %sext83, 16
|
||
|
|
%add41 = sub i32 %b, %a
|
||
|
|
%sub43 = add i32 %add41, %conv39
|
||
|
|
ret i32 %sub43
|
||
|
|
}
|
||
|
|
|