1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/i1-ext-fold.ll b/test/CodeGen/PowerPC/i1-ext-fold.ll
new file mode 100644
index 0000000..19bd8ff
--- /dev/null
+++ b/test/CodeGen/PowerPC/i1-ext-fold.ll
@@ -0,0 +1,54 @@
+; RUN: llc -mcpu=pwr7 < %s | FileCheck %s
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+; Function Attrs: nounwind readnone
+define signext i32 @foo(i32 signext %a, i32 signext %b) #0 {
+entry:
+  %cmp = icmp slt i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  %shl = shl nuw nsw i32 %conv, 4
+  ret i32 %shl
+
+; CHECK-LABEL: @foo
+; CHECK-DAG: cmpw
+; CHECK-DAG: li [[REG1:[0-9]+]], 0
+; CHECK-DAG: li [[REG2:[0-9]+]], 16
+; CHECK: isel 3, [[REG2]], [[REG1]],
+; CHECK: blr
+}
+
+; Function Attrs: nounwind readnone
+define signext i32 @foo2(i32 signext %a, i32 signext %b) #0 {
+entry:
+  %cmp = icmp slt i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  %shl = shl nuw nsw i32 %conv, 4
+  %add1 = or i32 %shl, 5
+  ret i32 %add1
+
+; CHECK-LABEL: @foo2
+; CHECK-DAG: cmpw
+; CHECK-DAG: li [[REG1:[0-9]+]], 5
+; CHECK-DAG: li [[REG2:[0-9]+]], 21
+; CHECK: isel 3, [[REG2]], [[REG1]],
+; CHECK: blr
+}
+
+; Function Attrs: nounwind readnone
+define signext i32 @foo3(i32 signext %a, i32 signext %b) #0 {
+entry:
+  %cmp = icmp sle i32 %a, %b
+  %conv = zext i1 %cmp to i32
+  %shl = shl nuw nsw i32 %conv, 4
+  ret i32 %shl
+
+; CHECK-LABEL: @foo3
+; CHECK-DAG: cmpw
+; CHECK-DAG: li [[REG1:[0-9]+]], 16
+; CHECK: isel 3, 0, [[REG1]],
+; CHECK: blr
+}
+
+attributes #0 = { nounwind readnone }
+