; Test 64-bit square root.
;
-; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 \
+; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-SCALAR %s
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
declare double @llvm.sqrt.f64(double %f)
+declare double @sqrt(double)
; Check register square root.
define double @f1(double %val) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
; CHECK: sqdbr %f0, %f0
; CHECK: br %r14
%res = call double @llvm.sqrt.f64(double %val)
; Check the low end of the SQDB range.
define double @f2(double *%ptr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
; CHECK: sqdb %f0, 0(%r2)
; CHECK: br %r14
- %val = load double *%ptr
+ %val = load double , double *%ptr
%res = call double @llvm.sqrt.f64(double %val)
ret double %res
}
; Check the high end of the aligned SQDB range.
define double @f3(double *%base) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK: sqdb %f0, 4088(%r2)
; CHECK: br %r14
- %ptr = getelementptr double *%base, i64 511
- %val = load double *%ptr
+ %ptr = getelementptr double, double *%base, i64 511
+ %val = load double , double *%ptr
%res = call double @llvm.sqrt.f64(double %val)
ret double %res
}
; Check the next doubleword up, which needs separate address logic.
; Other sequences besides this one would be OK.
define double @f4(double *%base) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK: aghi %r2, 4096
; CHECK: sqdb %f0, 0(%r2)
; CHECK: br %r14
- %ptr = getelementptr double *%base, i64 512
- %val = load double *%ptr
+ %ptr = getelementptr double, double *%base, i64 512
+ %val = load double , double *%ptr
%res = call double @llvm.sqrt.f64(double %val)
ret double %res
}
; Check negative displacements, which also need separate address logic.
define double @f5(double *%base) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
; CHECK: aghi %r2, -8
; CHECK: sqdb %f0, 0(%r2)
; CHECK: br %r14
- %ptr = getelementptr double *%base, i64 -1
- %val = load double *%ptr
+ %ptr = getelementptr double, double *%base, i64 -1
+ %val = load double , double *%ptr
%res = call double @llvm.sqrt.f64(double %val)
ret double %res
}
; Check that SQDB allows indices.
define double @f6(double *%base, i64 %index) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
; CHECK: sllg %r1, %r3, 3
; CHECK: sqdb %f0, 800(%r1,%r2)
; CHECK: br %r14
- %ptr1 = getelementptr double *%base, i64 %index
- %ptr2 = getelementptr double *%ptr1, i64 100
- %val = load double *%ptr2
+ %ptr1 = getelementptr double, double *%base, i64 %index
+ %ptr2 = getelementptr double, double *%ptr1, i64 100
+ %val = load double , double *%ptr2
%res = call double @llvm.sqrt.f64(double %val)
ret double %res
}
; Test a case where we spill the source of at least one SQDBR. We want
; to use SQDB if possible.
define void @f7(double *%ptr) {
-; CHECK: f7:
-; CHECK: sqdb {{%f[0-9]+}}, 160(%r15)
+; CHECK-LABEL: f7:
+; CHECK-SCALAR: sqdb {{%f[0-9]+}}, 160(%r15)
; CHECK: br %r14
- %val0 = load volatile double *%ptr
- %val1 = load volatile double *%ptr
- %val2 = load volatile double *%ptr
- %val3 = load volatile double *%ptr
- %val4 = load volatile double *%ptr
- %val5 = load volatile double *%ptr
- %val6 = load volatile double *%ptr
- %val7 = load volatile double *%ptr
- %val8 = load volatile double *%ptr
- %val9 = load volatile double *%ptr
- %val10 = load volatile double *%ptr
- %val11 = load volatile double *%ptr
- %val12 = load volatile double *%ptr
- %val13 = load volatile double *%ptr
- %val14 = load volatile double *%ptr
- %val15 = load volatile double *%ptr
- %val16 = load volatile double *%ptr
+ %val0 = load volatile double , double *%ptr
+ %val1 = load volatile double , double *%ptr
+ %val2 = load volatile double , double *%ptr
+ %val3 = load volatile double , double *%ptr
+ %val4 = load volatile double , double *%ptr
+ %val5 = load volatile double , double *%ptr
+ %val6 = load volatile double , double *%ptr
+ %val7 = load volatile double , double *%ptr
+ %val8 = load volatile double , double *%ptr
+ %val9 = load volatile double , double *%ptr
+ %val10 = load volatile double , double *%ptr
+ %val11 = load volatile double , double *%ptr
+ %val12 = load volatile double , double *%ptr
+ %val13 = load volatile double , double *%ptr
+ %val14 = load volatile double , double *%ptr
+ %val15 = load volatile double , double *%ptr
+ %val16 = load volatile double , double *%ptr
%sqrt0 = call double @llvm.sqrt.f64(double %val0)
%sqrt1 = call double @llvm.sqrt.f64(double %val1)
ret void
}
+
+; Check that a call to the normal sqrt function is lowered.
+define double @f8(double %dummy, double %val) {
+; CHECK-LABEL: f8:
+; CHECK: sqdbr %f0, %f2
+; CHECK: cdbr %f0, %f0
+; CHECK: jo [[LABEL:\.L.*]]
+; CHECK: br %r14
+; CHECK: [[LABEL]]:
+; CHECK: ldr %f0, %f2
+; CHECK: jg sqrt@PLT
+ %res = tail call double @sqrt(double %val)
+ ret double %res
+}