a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
170 lines
5.5 KiB
LLVM
170 lines
5.5 KiB
LLVM
; Test 64-bit square root.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 \
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; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-SCALAR %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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declare double @llvm.sqrt.f64(double %f)
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declare double @sqrt(double)
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; Check register square root.
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define double @f1(double %val) {
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; CHECK-LABEL: f1:
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; CHECK: sqdbr %f0, %f0
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; CHECK: br %r14
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Check the low end of the SQDB range.
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define double @f2(ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: sqdb %f0, 0(%r2)
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; CHECK: br %r14
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%val = load double, ptr %ptr
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Check the high end of the aligned SQDB range.
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define double @f3(ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: sqdb %f0, 4088(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %base, i64 511
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%val = load double, ptr %ptr
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Check the next doubleword up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define double @f4(ptr %base) {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: sqdb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %base, i64 512
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%val = load double, ptr %ptr
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Check negative displacements, which also need separate address logic.
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define double @f5(ptr %base) {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -8
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; CHECK: sqdb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr double, ptr %base, i64 -1
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%val = load double, ptr %ptr
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Check that SQDB allows indices.
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define double @f6(ptr %base, i64 %index) {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 3
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; CHECK: sqdb %f0, 800(%r1,%r2)
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; CHECK: br %r14
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%ptr1 = getelementptr double, ptr %base, i64 %index
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%ptr2 = getelementptr double, ptr %ptr1, i64 100
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%val = load double, ptr %ptr2
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%res = call double @llvm.sqrt.f64(double %val)
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ret double %res
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}
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; Test a case where we spill the source of at least one SQDBR. We want
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; to use SQDB if possible.
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define void @f7(ptr %ptr) {
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; CHECK-LABEL: f7:
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; CHECK-SCALAR: sqdb {{%f[0-9]+}}, 160(%r15)
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; CHECK: br %r14
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%val0 = load volatile double, ptr %ptr
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%val1 = load volatile double, ptr %ptr
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%val2 = load volatile double, ptr %ptr
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%val3 = load volatile double, ptr %ptr
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%val4 = load volatile double, ptr %ptr
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%val5 = load volatile double, ptr %ptr
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%val6 = load volatile double, ptr %ptr
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%val7 = load volatile double, ptr %ptr
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%val8 = load volatile double, ptr %ptr
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%val9 = load volatile double, ptr %ptr
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%val10 = load volatile double, ptr %ptr
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%val11 = load volatile double, ptr %ptr
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%val12 = load volatile double, ptr %ptr
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%val13 = load volatile double, ptr %ptr
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%val14 = load volatile double, ptr %ptr
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%val15 = load volatile double, ptr %ptr
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%val16 = load volatile double, ptr %ptr
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%sqrt0 = call double @llvm.sqrt.f64(double %val0)
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%sqrt1 = call double @llvm.sqrt.f64(double %val1)
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%sqrt2 = call double @llvm.sqrt.f64(double %val2)
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%sqrt3 = call double @llvm.sqrt.f64(double %val3)
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%sqrt4 = call double @llvm.sqrt.f64(double %val4)
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%sqrt5 = call double @llvm.sqrt.f64(double %val5)
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%sqrt6 = call double @llvm.sqrt.f64(double %val6)
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%sqrt7 = call double @llvm.sqrt.f64(double %val7)
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%sqrt8 = call double @llvm.sqrt.f64(double %val8)
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%sqrt9 = call double @llvm.sqrt.f64(double %val9)
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%sqrt10 = call double @llvm.sqrt.f64(double %val10)
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%sqrt11 = call double @llvm.sqrt.f64(double %val11)
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%sqrt12 = call double @llvm.sqrt.f64(double %val12)
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%sqrt13 = call double @llvm.sqrt.f64(double %val13)
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%sqrt14 = call double @llvm.sqrt.f64(double %val14)
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%sqrt15 = call double @llvm.sqrt.f64(double %val15)
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%sqrt16 = call double @llvm.sqrt.f64(double %val16)
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store volatile double %val0, ptr %ptr
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store volatile double %val1, ptr %ptr
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store volatile double %val2, ptr %ptr
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store volatile double %val3, ptr %ptr
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store volatile double %val4, ptr %ptr
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store volatile double %val5, ptr %ptr
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store volatile double %val6, ptr %ptr
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store volatile double %val7, ptr %ptr
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store volatile double %val8, ptr %ptr
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store volatile double %val9, ptr %ptr
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store volatile double %val10, ptr %ptr
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store volatile double %val11, ptr %ptr
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store volatile double %val12, ptr %ptr
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store volatile double %val13, ptr %ptr
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store volatile double %val14, ptr %ptr
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store volatile double %val15, ptr %ptr
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store volatile double %val16, ptr %ptr
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store volatile double %sqrt0, ptr %ptr
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store volatile double %sqrt1, ptr %ptr
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store volatile double %sqrt2, ptr %ptr
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store volatile double %sqrt3, ptr %ptr
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store volatile double %sqrt4, ptr %ptr
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store volatile double %sqrt5, ptr %ptr
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store volatile double %sqrt6, ptr %ptr
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store volatile double %sqrt7, ptr %ptr
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store volatile double %sqrt8, ptr %ptr
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store volatile double %sqrt9, ptr %ptr
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store volatile double %sqrt10, ptr %ptr
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store volatile double %sqrt11, ptr %ptr
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store volatile double %sqrt12, ptr %ptr
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store volatile double %sqrt13, ptr %ptr
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store volatile double %sqrt14, ptr %ptr
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store volatile double %sqrt15, ptr %ptr
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store volatile double %sqrt16, ptr %ptr
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ret void
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}
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; Check that a call to the normal sqrt function is lowered.
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define double @f8(double %dummy, double %val) {
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; CHECK-LABEL: f8:
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; CHECK: sqdbr %f0, %f2
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; CHECK: cdbr %f0, %f0
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; CHECK: bnor %r14
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; CHECK: ldr %f0, %f2
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; CHECK: jg sqrt@PLT
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%res = tail call double @sqrt(double %val)
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ret double %res
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}
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