[SystemZ] Allow integer OR involving high words

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

diff --git a/test/CodeGen/SystemZ/fp-mul-02.ll b/test/CodeGen/SystemZ/fp-mul-02.ll
index ec51a4c1d679ebc6f6e5bfcf1e8f1fd717b1ffe1..cf4448fd7dd103d5623c00eb14208bf8e3c8cd91 100644 (file)
--- a/test/CodeGen/SystemZ/fp-mul-02.ll
+++ b/test/CodeGen/SystemZ/fp-mul-02.ll
@@ -2,9 +2,11 @@
 ;
 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
 
+declare float @foo()
+
 ; Check register multiplication.
 define double @f1(float %f1, float %f2) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
 ; CHECK: mdebr %f0, %f2
 ; CHECK: br %r14
   %f1x = fpext float %f1 to double
@@ -15,7 +17,7 @@ define double @f1(float %f1, float %f2) {
 
 ; Check the low end of the MDEB range.
 define double @f2(float %f1, float *%ptr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
 ; CHECK: mdeb %f0, 0(%r2)
 ; CHECK: br %r14
   %f2 = load float *%ptr
@@ -27,7 +29,7 @@ define double @f2(float %f1, float *%ptr) {
 
 ; Check the high end of the aligned MDEB range.
 define double @f3(float %f1, float *%base) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
 ; CHECK: mdeb %f0, 4092(%r2)
 ; CHECK: br %r14
   %ptr = getelementptr float *%base, i64 1023
@@ -41,7 +43,7 @@ define double @f3(float %f1, float *%base) {
 ; Check the next word up, which needs separate address logic.
 ; Other sequences besides this one would be OK.
 define double @f4(float %f1, float *%base) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
 ; CHECK: aghi %r2, 4096
 ; CHECK: mdeb %f0, 0(%r2)
 ; CHECK: br %r14
@@ -55,7 +57,7 @@ define double @f4(float %f1, float *%base) {
 
 ; Check negative displacements, which also need separate address logic.
 define double @f5(float %f1, float *%base) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
 ; CHECK: aghi %r2, -4
 ; CHECK: mdeb %f0, 0(%r2)
 ; CHECK: br %r14
@@ -69,7 +71,7 @@ define double @f5(float %f1, float *%base) {
 
 ; Check that MDEB allows indices.
 define double @f6(float %f1, float *%base, i64 %index) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
 ; CHECK: sllg %r1, %r3, 2
 ; CHECK: mdeb %f0, 400(%r1,%r2)
 ; CHECK: br %r14
@@ -81,3 +83,121 @@ define double @f6(float %f1, float *%base, i64 %index) {
   %res = fmul double %f1x, %f2x
   ret double %res
 }
+
+; Check that multiplications of spilled values can use MDEB rather than MDEBR.
+define float @f7(float *%ptr0) {
+; CHECK-LABEL: f7:
+; CHECK: brasl %r14, foo@PLT
+; CHECK: mdeb %f0, 16{{[04]}}(%r15)
+; CHECK: br %r14
+  %ptr1 = getelementptr float *%ptr0, i64 2
+  %ptr2 = getelementptr float *%ptr0, i64 4
+  %ptr3 = getelementptr float *%ptr0, i64 6
+  %ptr4 = getelementptr float *%ptr0, i64 8
+  %ptr5 = getelementptr float *%ptr0, i64 10
+  %ptr6 = getelementptr float *%ptr0, i64 12
+  %ptr7 = getelementptr float *%ptr0, i64 14
+  %ptr8 = getelementptr float *%ptr0, i64 16
+  %ptr9 = getelementptr float *%ptr0, i64 18
+  %ptr10 = getelementptr float *%ptr0, i64 20
+
+  %val0 = load float *%ptr0
+  %val1 = load float *%ptr1
+  %val2 = load float *%ptr2
+  %val3 = load float *%ptr3
+  %val4 = load float *%ptr4
+  %val5 = load float *%ptr5
+  %val6 = load float *%ptr6
+  %val7 = load float *%ptr7
+  %val8 = load float *%ptr8
+  %val9 = load float *%ptr9
+  %val10 = load float *%ptr10
+
+  %frob0 = fadd float %val0, %val0
+  %frob1 = fadd float %val1, %val1
+  %frob2 = fadd float %val2, %val2
+  %frob3 = fadd float %val3, %val3
+  %frob4 = fadd float %val4, %val4
+  %frob5 = fadd float %val5, %val5
+  %frob6 = fadd float %val6, %val6
+  %frob7 = fadd float %val7, %val7
+  %frob8 = fadd float %val8, %val8
+  %frob9 = fadd float %val9, %val9
+  %frob10 = fadd float %val9, %val10
+
+  store float %frob0, float *%ptr0
+  store float %frob1, float *%ptr1
+  store float %frob2, float *%ptr2
+  store float %frob3, float *%ptr3
+  store float %frob4, float *%ptr4
+  store float %frob5, float *%ptr5
+  store float %frob6, float *%ptr6
+  store float %frob7, float *%ptr7
+  store float %frob8, float *%ptr8
+  store float %frob9, float *%ptr9
+  store float %frob10, float *%ptr10
+
+  %ret = call float @foo()
+
+  %accext0 = fpext float %ret to double
+  %ext0 = fpext float %frob0 to double
+  %mul0 = fmul double %accext0, %ext0
+  %extra0 = fmul double %mul0, 1.01
+  %trunc0 = fptrunc double %extra0 to float
+
+  %accext1 = fpext float %trunc0 to double
+  %ext1 = fpext float %frob1 to double
+  %mul1 = fmul double %accext1, %ext1
+  %extra1 = fmul double %mul1, 1.11
+  %trunc1 = fptrunc double %extra1 to float
+
+  %accext2 = fpext float %trunc1 to double
+  %ext2 = fpext float %frob2 to double
+  %mul2 = fmul double %accext2, %ext2
+  %extra2 = fmul double %mul2, 1.21
+  %trunc2 = fptrunc double %extra2 to float
+
+  %accext3 = fpext float %trunc2 to double
+  %ext3 = fpext float %frob3 to double
+  %mul3 = fmul double %accext3, %ext3
+  %extra3 = fmul double %mul3, 1.31
+  %trunc3 = fptrunc double %extra3 to float
+
+  %accext4 = fpext float %trunc3 to double
+  %ext4 = fpext float %frob4 to double
+  %mul4 = fmul double %accext4, %ext4
+  %extra4 = fmul double %mul4, 1.41
+  %trunc4 = fptrunc double %extra4 to float
+
+  %accext5 = fpext float %trunc4 to double
+  %ext5 = fpext float %frob5 to double
+  %mul5 = fmul double %accext5, %ext5
+  %extra5 = fmul double %mul5, 1.51
+  %trunc5 = fptrunc double %extra5 to float
+
+  %accext6 = fpext float %trunc5 to double
+  %ext6 = fpext float %frob6 to double
+  %mul6 = fmul double %accext6, %ext6
+  %extra6 = fmul double %mul6, 1.61
+  %trunc6 = fptrunc double %extra6 to float
+
+  %accext7 = fpext float %trunc6 to double
+  %ext7 = fpext float %frob7 to double
+  %mul7 = fmul double %accext7, %ext7
+  %extra7 = fmul double %mul7, 1.71
+  %trunc7 = fptrunc double %extra7 to float
+
+  %accext8 = fpext float %trunc7 to double
+  %ext8 = fpext float %frob8 to double
+  %mul8 = fmul double %accext8, %ext8
+  %extra8 = fmul double %mul8, 1.81
+  %trunc8 = fptrunc double %extra8 to float
+
+  %accext9 = fpext float %trunc8 to double
+  %ext9 = fpext float %frob9 to double
+  %mul9 = fmul double %accext9, %ext9
+  %extra9 = fmul double %mul9, 1.91
+  %trunc9 = fptrunc double %extra9 to float
+
+  ret float %trunc9
+}