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Diffstat (limited to 'test/CodeGen/PowerPC/sdiv-pow2.ll')
-rw-r--r-- | test/CodeGen/PowerPC/sdiv-pow2.ll | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/sdiv-pow2.ll b/test/CodeGen/PowerPC/sdiv-pow2.ll new file mode 100644 index 0000000..5ec019d --- /dev/null +++ b/test/CodeGen/PowerPC/sdiv-pow2.ll @@ -0,0 +1,67 @@ +; 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" + +; Function Attrs: nounwind readnone +define signext i32 @foo4(i32 signext %a) #0 { +entry: + %div = sdiv i32 %a, 8 + ret i32 %div + +; CHECK-LABEL @foo4 +; CHECK: srawi [[REG1:[0-9]+]], 3, 3 +; CHECK: addze [[REG2:[0-9]+]], [[REG1]] +; CHECK: extsw 3, [[REG2]] +; CHECK: blr +} + +; Function Attrs: nounwind readnone +define i64 @foo8(i64 %a) #0 { +entry: + %div = sdiv i64 %a, 8 + ret i64 %div + +; CHECK-LABEL @foo8 +; 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 +define signext i32 @foo4n(i32 signext %a) #0 { +entry: + %div = sdiv i32 %a, -8 + ret i32 %div + +; CHECK-LABEL: @foo4n +; CHECK: srawi [[REG1:[0-9]+]], 3, 3 +; CHECK: addze [[REG2:[0-9]+]], [[REG1]] +; CHECK: neg [[REG3:[0-9]+]], [[REG2]] +; CHECK: extsw 3, [[REG3]] +; CHECK: blr +} + +; Function Attrs: nounwind readnone +define i64 @foo8n(i64 %a) #0 { +entry: + %div = sdiv i64 %a, -8 + ret i64 %div + +; CHECK-LABEL: @foo8n +; CHECK: sradi [[REG1:[0-9]+]], 3, 3 +; 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 } + |