;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
-declare float @llvm.sqrt.f32(float %f)
+declare float @llvm.sqrt.f32(float)
+declare float @sqrtf(float)
; Check register square root.
define float @f1(float %val) {
-; CHECK: f1:
+; CHECK-LABEL: f1:
; CHECK: sqebr %f0, %f0
; CHECK: br %r14
%res = call float @llvm.sqrt.f32(float %val)
; Check the low end of the SQEB range.
define float @f2(float *%ptr) {
-; CHECK: f2:
+; CHECK-LABEL: f2:
; CHECK: sqeb %f0, 0(%r2)
; CHECK: br %r14
- %val = load float *%ptr
+ %val = load float , float *%ptr
%res = call float @llvm.sqrt.f32(float %val)
ret float %res
}
; Check the high end of the aligned SQEB range.
define float @f3(float *%base) {
-; CHECK: f3:
+; CHECK-LABEL: f3:
; CHECK: sqeb %f0, 4092(%r2)
; CHECK: br %r14
- %ptr = getelementptr float *%base, i64 1023
- %val = load float *%ptr
+ %ptr = getelementptr float, float *%base, i64 1023
+ %val = load float , float *%ptr
%res = call float @llvm.sqrt.f32(float %val)
ret float %res
}
; Check the next word up, which needs separate address logic.
; Other sequences besides this one would be OK.
define float @f4(float *%base) {
-; CHECK: f4:
+; CHECK-LABEL: f4:
; CHECK: aghi %r2, 4096
; CHECK: sqeb %f0, 0(%r2)
; CHECK: br %r14
- %ptr = getelementptr float *%base, i64 1024
- %val = load float *%ptr
+ %ptr = getelementptr float, float *%base, i64 1024
+ %val = load float , float *%ptr
%res = call float @llvm.sqrt.f32(float %val)
ret float %res
}
; Check negative displacements, which also need separate address logic.
define float @f5(float *%base) {
-; CHECK: f5:
+; CHECK-LABEL: f5:
; CHECK: aghi %r2, -4
; CHECK: sqeb %f0, 0(%r2)
; CHECK: br %r14
- %ptr = getelementptr float *%base, i64 -1
- %val = load float *%ptr
+ %ptr = getelementptr float, float *%base, i64 -1
+ %val = load float , float *%ptr
%res = call float @llvm.sqrt.f32(float %val)
ret float %res
}
; Check that SQEB allows indices.
define float @f6(float *%base, i64 %index) {
-; CHECK: f6:
+; CHECK-LABEL: f6:
; CHECK: sllg %r1, %r3, 2
; CHECK: sqeb %f0, 400(%r1,%r2)
; CHECK: br %r14
- %ptr1 = getelementptr float *%base, i64 %index
- %ptr2 = getelementptr float *%ptr1, i64 100
- %val = load float *%ptr2
+ %ptr1 = getelementptr float, float *%base, i64 %index
+ %ptr2 = getelementptr float, float *%ptr1, i64 100
+ %val = load float , float *%ptr2
%res = call float @llvm.sqrt.f32(float %val)
ret float %res
}
; Test a case where we spill the source of at least one SQEBR. We want
; to use SQEB if possible.
define void @f7(float *%ptr) {
-; CHECK: f7:
+; CHECK-LABEL: f7:
; CHECK: sqeb {{%f[0-9]+}}, 16{{[04]}}(%r15)
; CHECK: br %r14
- %val0 = load volatile float *%ptr
- %val1 = load volatile float *%ptr
- %val2 = load volatile float *%ptr
- %val3 = load volatile float *%ptr
- %val4 = load volatile float *%ptr
- %val5 = load volatile float *%ptr
- %val6 = load volatile float *%ptr
- %val7 = load volatile float *%ptr
- %val8 = load volatile float *%ptr
- %val9 = load volatile float *%ptr
- %val10 = load volatile float *%ptr
- %val11 = load volatile float *%ptr
- %val12 = load volatile float *%ptr
- %val13 = load volatile float *%ptr
- %val14 = load volatile float *%ptr
- %val15 = load volatile float *%ptr
- %val16 = load volatile float *%ptr
+ %val0 = load volatile float , float *%ptr
+ %val1 = load volatile float , float *%ptr
+ %val2 = load volatile float , float *%ptr
+ %val3 = load volatile float , float *%ptr
+ %val4 = load volatile float , float *%ptr
+ %val5 = load volatile float , float *%ptr
+ %val6 = load volatile float , float *%ptr
+ %val7 = load volatile float , float *%ptr
+ %val8 = load volatile float , float *%ptr
+ %val9 = load volatile float , float *%ptr
+ %val10 = load volatile float , float *%ptr
+ %val11 = load volatile float , float *%ptr
+ %val12 = load volatile float , float *%ptr
+ %val13 = load volatile float , float *%ptr
+ %val14 = load volatile float , float *%ptr
+ %val15 = load volatile float , float *%ptr
+ %val16 = load volatile float , float *%ptr
%sqrt0 = call float @llvm.sqrt.f32(float %val0)
%sqrt1 = call float @llvm.sqrt.f32(float %val1)
ret void
}
+
+; Check that a call to the normal sqrtf function is lowered.
+define float @f8(float %dummy, float %val) {
+; CHECK-LABEL: f8:
+; CHECK: sqebr %f0, %f2
+; CHECK: cebr %f0, %f0
+; CHECK: jo [[LABEL:\.L.*]]
+; CHECK: br %r14
+; CHECK: [[LABEL]]:
+; CHECK: ler %f0, %f2
+; CHECK: jg sqrtf@PLT
+ %res = tail call float @sqrtf(float %val)
+ ret float %res
+}