[PowerPC] Don't attempt a 64-bit pow2 division on PPC32
In r224033, in moving the signed power-of-2 division expansion into
BuildSDIVPow2, I accidentally made it possible to attempt the lowering for a
64-bit division on PPC32. This later asserts.
Fixes PR21928.
llvm-svn: 224758
diff --git a/llvm/test/CodeGen/PowerPC/sdiv-pow2.ll b/llvm/test/CodeGen/PowerPC/sdiv-pow2.ll
index c6330a6..5ec019d 100644
--- a/llvm/test/CodeGen/PowerPC/sdiv-pow2.ll
+++ b/llvm/test/CodeGen/PowerPC/sdiv-pow2.ll
@@ -1,4 +1,5 @@
; RUN: llc -mcpu=ppc64 < %s | FileCheck %s
+; RUN: llc -mtriple=powerpc-unknown-linux-gnu -mcpu=ppc < %s | FileCheck -check-prefix=CHECK-32 %s
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
@@ -25,6 +26,10 @@
; CHECK: sradi [[REG1:[0-9]+]], 3, 3
; CHECK: addze 3, [[REG1]]
; CHECK: blr
+
+; CHECK-32-LABEL @foo8
+; CHECK-32-NOT: sradi
+; CHECK-32: blr
}
; Function Attrs: nounwind readnone
@@ -52,6 +57,10 @@
; CHECK: addze [[REG2:[0-9]+]], [[REG1]]
; CHECK: neg 3, [[REG2]]
; CHECK: blr
+
+; CHECK-32-LABEL @foo8n
+; CHECK-32-NOT: sradi
+; CHECK-32: blr
}
attributes #0 = { nounwind readnone }