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Diffstat (limited to 'test/CodeGen/PowerPC/ifcvt.ll')
-rw-r--r-- | test/CodeGen/PowerPC/ifcvt.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/ifcvt.ll b/test/CodeGen/PowerPC/ifcvt.ll new file mode 100644 index 0000000..9c966c9 --- /dev/null +++ b/test/CodeGen/PowerPC/ifcvt.ll @@ -0,0 +1,34 @@ +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -verify-machineinstrs | FileCheck %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: @test +; CHECK: add [[REG:[0-9]+]], +; CHECK: subf [[REG2:[0-9]+]], +; CHECK: isel {{[0-9]+}}, [[REG]], [[REG2]], + +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 +} + |