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a24a01e0c1
A set of function attributes is required in any function that uses constrained floating point intrinsics. None of our tests use these attributes. This patch fixes this. These tests have been tested against the IR verifier changes in D68233. Reviewed by: andrew.w.kaylor, cameron.mcinally, uweigand Approved by: andrew.w.kaylor Differential Revision: https://reviews.llvm.org/D67925 llvm-svn: 373761
96 lines
3.1 KiB
LLVM
96 lines
3.1 KiB
LLVM
; Test strict 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.experimental.constrained.sqrt.f64(double, metadata, metadata)
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; Check register square root.
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define double @f1(double %val) #0 {
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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.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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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(double *%ptr) #0 {
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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, double *%ptr
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%res = call double @llvm.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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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(double *%base) #0 {
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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, double *%base, i64 511
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%val = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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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(double *%base) #0 {
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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, double *%base, i64 512
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%val = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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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(double *%base) #0 {
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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, double *%base, i64 -1
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%val = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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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(double *%base, i64 %index) #0 {
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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, double *%base, i64 %index
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%ptr2 = getelementptr double, double *%ptr1, i64 100
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%val = load double, double *%ptr2
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%res = call double @llvm.experimental.constrained.sqrt.f64(
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double %val,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %res
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}
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attributes #0 = { strictfp }
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