;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+declare i64 @foo()
+
; Check MSGR.
define i64 @f1(i64 %a, i64 %b) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
; CHECK: msgr %r2, %r3
; CHECK: br %r14
%mul = mul i64 %a, %b
; Check MSG with no displacement.
define i64 @f2(i64 %a, i64 *%src) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
; CHECK: msg %r2, 0(%r3)
; CHECK: br %r14
%b = load i64 *%src
; Check the high end of the aligned MSG range.
define i64 @f3(i64 %a, i64 *%src) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK: msg %r2, 524280(%r3)
; CHECK: br %r14
%ptr = getelementptr i64 *%src, i64 65535
; Check the next doubleword up, which needs separate address logic.
; Other sequences besides this one would be OK.
define i64 @f4(i64 %a, i64 *%src) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK: agfi %r3, 524288
; CHECK: msg %r2, 0(%r3)
; CHECK: br %r14
; Check the high end of the negative aligned MSG range.
define i64 @f5(i64 %a, i64 *%src) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
; CHECK: msg %r2, -8(%r3)
; CHECK: br %r14
%ptr = getelementptr i64 *%src, i64 -1
; Check the low end of the MSG range.
define i64 @f6(i64 %a, i64 *%src) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
; CHECK: msg %r2, -524288(%r3)
; CHECK: br %r14
%ptr = getelementptr i64 *%src, i64 -65536
; Check the next doubleword down, which needs separate address logic.
; Other sequences besides this one would be OK.
define i64 @f7(i64 %a, i64 *%src) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
; CHECK: agfi %r3, -524296
; CHECK: msg %r2, 0(%r3)
; CHECK: br %r14
; Check that MSG allows an index.
define i64 @f8(i64 %a, i64 %src, i64 %index) {
-; CHECK: f8:
+; CHECK-LABEL: f8:
; CHECK: msg %r2, 524280({{%r4,%r3|%r3,%r4}})
; CHECK: br %r14
%add1 = add i64 %src, %index
%mul = mul i64 %a, %b
ret i64 %mul
}
+
+; Check that multiplications of spilled values can use MSG rather than MSGR.
+define i64 @f9(i64 *%ptr0) {
+; CHECK-LABEL: f9:
+; CHECK: brasl %r14, foo@PLT
+; CHECK: msg %r2, 160(%r15)
+; CHECK: br %r14
+ %ptr1 = getelementptr i64 *%ptr0, i64 2
+ %ptr2 = getelementptr i64 *%ptr0, i64 4
+ %ptr3 = getelementptr i64 *%ptr0, i64 6
+ %ptr4 = getelementptr i64 *%ptr0, i64 8
+ %ptr5 = getelementptr i64 *%ptr0, i64 10
+ %ptr6 = getelementptr i64 *%ptr0, i64 12
+ %ptr7 = getelementptr i64 *%ptr0, i64 14
+ %ptr8 = getelementptr i64 *%ptr0, i64 16
+ %ptr9 = getelementptr i64 *%ptr0, i64 18
+
+ %val0 = load i64 *%ptr0
+ %val1 = load i64 *%ptr1
+ %val2 = load i64 *%ptr2
+ %val3 = load i64 *%ptr3
+ %val4 = load i64 *%ptr4
+ %val5 = load i64 *%ptr5
+ %val6 = load i64 *%ptr6
+ %val7 = load i64 *%ptr7
+ %val8 = load i64 *%ptr8
+ %val9 = load i64 *%ptr9
+
+ %ret = call i64 @foo()
+
+ %mul0 = mul i64 %ret, %val0
+ %mul1 = mul i64 %mul0, %val1
+ %mul2 = mul i64 %mul1, %val2
+ %mul3 = mul i64 %mul2, %val3
+ %mul4 = mul i64 %mul3, %val4
+ %mul5 = mul i64 %mul4, %val5
+ %mul6 = mul i64 %mul5, %val6
+ %mul7 = mul i64 %mul6, %val7
+ %mul8 = mul i64 %mul7, %val8
+ %mul9 = mul i64 %mul8, %val9
+
+ ret i64 %mul9
+}