[SystemZ] CodeGen/SystemZ/asm-18.ll run with -verify-machineinstrs

[oota-llvm.git] / test / CodeGen / SystemZ / fp-div-01.ll

diff --git a/test/CodeGen/SystemZ/fp-div-01.ll b/test/CodeGen/SystemZ/fp-div-01.ll
index 080d45eb2bfbf3fd9b94aa1c52c1974117969a7b..0791e8db93f8e9b2b92fb4a818af7b826f0cbe4d 100644 (file)
--- a/test/CodeGen/SystemZ/fp-div-01.ll
+++ b/test/CodeGen/SystemZ/fp-div-01.ll
@@ -2,9 +2,11 @@
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
 
+declare float @foo()
+
 ; Check register division.
 define float @f1(float %f1, float %f2) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: debr %f0, %f2
 ; CHECK: br %r14
   %res = fdiv float %f1, %f2
@@ -13,21 +15,21 @@ define float @f1(float %f1, float %f2) {
 
 ; Check the low end of the DEB range.
 define float @f2(float %f1, float *%ptr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: deb %f0, 0(%r2)
 ; CHECK: br %r14
-  %f2 = load float *%ptr
+  %f2 = load float , float *%ptr
   %res = fdiv float %f1, %f2
   ret float %res
 }
 
 ; Check the high end of the aligned DEB range.
 define float @f3(float %f1, float *%base) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: deb %f0, 4092(%r2)
 ; CHECK: br %r14
-  %ptr = getelementptr float *%base, i64 1023
-  %f2 = load float *%ptr
+  %ptr = getelementptr float, float *%base, i64 1023
+  %f2 = load float , float *%ptr
   %res = fdiv float %f1, %f2
   ret float %res
 }
@@ -35,37 +37,83 @@ define float @f3(float %f1, float *%base) {
 ; Check the next word up, which needs separate address logic.
 ; Other sequences besides this one would be OK.
 define float @f4(float %f1, float *%base) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: aghi %r2, 4096
 ; CHECK: deb %f0, 0(%r2)
 ; CHECK: br %r14
-  %ptr = getelementptr float *%base, i64 1024
-  %f2 = load float *%ptr
+  %ptr = getelementptr float, float *%base, i64 1024
+  %f2 = load float , float *%ptr
   %res = fdiv float %f1, %f2
   ret float %res
 }
 
 ; Check negative displacements, which also need separate address logic.
 define float @f5(float %f1, float *%base) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: aghi %r2, -4
 ; CHECK: deb %f0, 0(%r2)
 ; CHECK: br %r14
-  %ptr = getelementptr float *%base, i64 -1
-  %f2 = load float *%ptr
+  %ptr = getelementptr float, float *%base, i64 -1
+  %f2 = load float , float *%ptr
   %res = fdiv float %f1, %f2
   ret float %res
 }
 
 ; Check that DEB allows indices.
 define float @f6(float %f1, float *%base, i64 %index) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK: sllg %r1, %r3, 2
 ; CHECK: deb %f0, 400(%r1,%r2)
 ; CHECK: br %r14
-  %ptr1 = getelementptr float *%base, i64 %index
-  %ptr2 = getelementptr float *%ptr1, i64 100
-  %f2 = load float *%ptr2
+  %ptr1 = getelementptr float, float *%base, i64 %index
+  %ptr2 = getelementptr float, float *%ptr1, i64 100
+  %f2 = load float , float *%ptr2
   %res = fdiv float %f1, %f2
   ret float %res
 }
+
+; Check that divisions of spilled values can use DEB rather than DEBR.
+define float @f7(float *%ptr0) {
+; CHECK-LABEL: f7:
+; CHECK: brasl %r14, foo@PLT
+; CHECK: deb %f0, 16{{[04]}}(%r15)
+; CHECK: br %r14
+  %ptr1 = getelementptr float, float *%ptr0, i64 2
+  %ptr2 = getelementptr float, float *%ptr0, i64 4
+  %ptr3 = getelementptr float, float *%ptr0, i64 6
+  %ptr4 = getelementptr float, float *%ptr0, i64 8
+  %ptr5 = getelementptr float, float *%ptr0, i64 10
+  %ptr6 = getelementptr float, float *%ptr0, i64 12
+  %ptr7 = getelementptr float, float *%ptr0, i64 14
+  %ptr8 = getelementptr float, float *%ptr0, i64 16
+  %ptr9 = getelementptr float, float *%ptr0, i64 18
+  %ptr10 = getelementptr float, float *%ptr0, i64 20
+
+  %val0 = load float , float *%ptr0
+  %val1 = load float , float *%ptr1
+  %val2 = load float , float *%ptr2
+  %val3 = load float , float *%ptr3
+  %val4 = load float , float *%ptr4
+  %val5 = load float , float *%ptr5
+  %val6 = load float , float *%ptr6
+  %val7 = load float , float *%ptr7
+  %val8 = load float , float *%ptr8
+  %val9 = load float , float *%ptr9
+  %val10 = load float , float *%ptr10
+
+  %ret = call float @foo()
+
+  %div0 = fdiv float %ret, %val0
+  %div1 = fdiv float %div0, %val1
+  %div2 = fdiv float %div1, %val2
+  %div3 = fdiv float %div2, %val3
+  %div4 = fdiv float %div3, %val4
+  %div5 = fdiv float %div4, %val5
+  %div6 = fdiv float %div5, %val6
+  %div7 = fdiv float %div6, %val7
+  %div8 = fdiv float %div7, %val8
+  %div9 = fdiv float %div8, %val9
+  %div10 = fdiv float %div9, %val10
+
+  ret float %div10
+}