[SystemZ] Fold more spills

[oota-llvm.git] / test / CodeGen / SystemZ / bswap-02.ll

diff --git a/test/CodeGen/SystemZ/bswap-02.ll b/test/CodeGen/SystemZ/bswap-02.ll
index 8b99077f4c13ed8a45aefb659706e20cadc40edb..e2ae011f173a6aac2abbf68333c1efc575a8e919 100644 (file)
--- a/test/CodeGen/SystemZ/bswap-02.ll
+++ b/test/CodeGen/SystemZ/bswap-02.ll
@@ -97,3 +97,80 @@ define i32 @f8(i32 *%src) {
   %swapped = call i32 @llvm.bswap.i32(i32 %a)
   ret i32 %swapped
 }
+
+; Test a case where we spill the source of at least one LRVR.  We want
+; to use LRV if possible.
+define void @f9(i32 *%ptr) {
+; CHECK: f9:
+; CHECK: lrv {{%r[0-9]+}}, 16{{[04]}}(%r15)
+; CHECK: br %r14
+  %val0 = load volatile i32 *%ptr
+  %val1 = load volatile i32 *%ptr
+  %val2 = load volatile i32 *%ptr
+  %val3 = load volatile i32 *%ptr
+  %val4 = load volatile i32 *%ptr
+  %val5 = load volatile i32 *%ptr
+  %val6 = load volatile i32 *%ptr
+  %val7 = load volatile i32 *%ptr
+  %val8 = load volatile i32 *%ptr
+  %val9 = load volatile i32 *%ptr
+  %val10 = load volatile i32 *%ptr
+  %val11 = load volatile i32 *%ptr
+  %val12 = load volatile i32 *%ptr
+  %val13 = load volatile i32 *%ptr
+  %val14 = load volatile i32 *%ptr
+  %val15 = load volatile i32 *%ptr
+
+  %swapped0 = call i32 @llvm.bswap.i32(i32 %val0)
+  %swapped1 = call i32 @llvm.bswap.i32(i32 %val1)
+  %swapped2 = call i32 @llvm.bswap.i32(i32 %val2)
+  %swapped3 = call i32 @llvm.bswap.i32(i32 %val3)
+  %swapped4 = call i32 @llvm.bswap.i32(i32 %val4)
+  %swapped5 = call i32 @llvm.bswap.i32(i32 %val5)
+  %swapped6 = call i32 @llvm.bswap.i32(i32 %val6)
+  %swapped7 = call i32 @llvm.bswap.i32(i32 %val7)
+  %swapped8 = call i32 @llvm.bswap.i32(i32 %val8)
+  %swapped9 = call i32 @llvm.bswap.i32(i32 %val9)
+  %swapped10 = call i32 @llvm.bswap.i32(i32 %val10)
+  %swapped11 = call i32 @llvm.bswap.i32(i32 %val11)
+  %swapped12 = call i32 @llvm.bswap.i32(i32 %val12)
+  %swapped13 = call i32 @llvm.bswap.i32(i32 %val13)
+  %swapped14 = call i32 @llvm.bswap.i32(i32 %val14)
+  %swapped15 = call i32 @llvm.bswap.i32(i32 %val15)
+
+  store volatile i32 %val0, i32 *%ptr
+  store volatile i32 %val1, i32 *%ptr
+  store volatile i32 %val2, i32 *%ptr
+  store volatile i32 %val3, i32 *%ptr
+  store volatile i32 %val4, i32 *%ptr
+  store volatile i32 %val5, i32 *%ptr
+  store volatile i32 %val6, i32 *%ptr
+  store volatile i32 %val7, i32 *%ptr
+  store volatile i32 %val8, i32 *%ptr
+  store volatile i32 %val9, i32 *%ptr
+  store volatile i32 %val10, i32 *%ptr
+  store volatile i32 %val11, i32 *%ptr
+  store volatile i32 %val12, i32 *%ptr
+  store volatile i32 %val13, i32 *%ptr
+  store volatile i32 %val14, i32 *%ptr
+  store volatile i32 %val15, i32 *%ptr
+
+  store volatile i32 %swapped0, i32 *%ptr
+  store volatile i32 %swapped1, i32 *%ptr
+  store volatile i32 %swapped2, i32 *%ptr
+  store volatile i32 %swapped3, i32 *%ptr
+  store volatile i32 %swapped4, i32 *%ptr
+  store volatile i32 %swapped5, i32 *%ptr
+  store volatile i32 %swapped6, i32 *%ptr
+  store volatile i32 %swapped7, i32 *%ptr
+  store volatile i32 %swapped8, i32 *%ptr
+  store volatile i32 %swapped9, i32 *%ptr
+  store volatile i32 %swapped10, i32 *%ptr
+  store volatile i32 %swapped11, i32 *%ptr
+  store volatile i32 %swapped12, i32 *%ptr
+  store volatile i32 %swapped13, i32 *%ptr
+  store volatile i32 %swapped14, i32 *%ptr
+  store volatile i32 %swapped15, i32 *%ptr
+
+  ret void
+}