vendor/llvm/llvm-trunk-r307894

1 files changed, 37 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/select-addrRegRegOnly.ll b/test/CodeGen/PowerPC/select-addrRegRegOnly.ll
new file mode 100644
index 0000000000000..f880d1faf9d90
--- /dev/null
+++ b/test/CodeGen/PowerPC/select-addrRegRegOnly.ll
@@ -0,0 +1,37 @@
+; RUN: llc -mcpu=pwr8 -mtriple=powerpc64le-unknown-unknown -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -mcpu=pwr8 -mtriple=powerpc64-unknown-unknown -verify-machineinstrs < %s | FileCheck %s
+
+; Function Attrs: norecurse nounwind readonly
+define float @testSingleAccess(i32* nocapture readonly %arr) local_unnamed_addr #0 {
+; CHECK-LABEL: testSingleAccess:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    addi 3, 3, 8
+; CHECK-NEXT:    lxsiwax 0, 0, 3
+; CHECK-NEXT:    xscvsxdsp 1, 0
+; CHECK-NEXT:    blr
+entry:
+  %arrayidx = getelementptr inbounds i32, i32* %arr, i64 2
+  %0 = load i32, i32* %arrayidx, align 4
+  %conv = sitofp i32 %0 to float
+  ret float %conv
+}
+
+; Function Attrs: norecurse nounwind readonly
+define float @testMultipleAccess(i32* nocapture readonly %arr) local_unnamed_addr #0 {
+; CHECK-LABEL: testMultipleAccess:
+; CHECK:       # BB#0: # %entry
+; CHECK-NEXT:    lwz 4, 8(3)
+; CHECK-NEXT:    lwz 12, 12(3)
+; CHECK-NEXT:    add 3, 12, 4
+; CHECK-NEXT:    mtvsrwa 0, 3
+; CHECK-NEXT:    xscvsxdsp 1, 0
+; CHECK-NEXT:    blr
+entry:
+  %arrayidx = getelementptr inbounds i32, i32* %arr, i64 2
+  %0 = load i32, i32* %arrayidx, align 4
+  %arrayidx1 = getelementptr inbounds i32, i32* %arr, i64 3
+  %1 = load i32, i32* %arrayidx1, align 4
+  %add = add nsw i32 %1, %0
+  %conv = sitofp i32 %add to float
+  ret float %conv
+}