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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
176 lines
6.8 KiB
LLVM
176 lines
6.8 KiB
LLVM
; Test strict 64-bit floating-point division.
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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 @foo()
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declare double @llvm.experimental.constrained.fdiv.f64(double, double, metadata, metadata)
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; Check register division.
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define double @f1(double %f1, double %f2) #0 {
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; CHECK-LABEL: f1:
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; CHECK: ddbr %f0, %f2
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; CHECK: br %r14
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 DDB range.
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define double @f2(double %f1, double *%ptr) #0 {
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; CHECK-LABEL: f2:
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; CHECK: ddb %f0, 0(%r2)
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; CHECK: br %r14
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%f2 = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 DDB range.
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define double @f3(double %f1, double *%base) #0 {
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; CHECK-LABEL: f3:
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; CHECK: ddb %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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%f2 = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 %f1, double *%base) #0 {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: ddb %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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%f2 = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 %f1, double *%base) #0 {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -8
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; CHECK: ddb %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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%f2 = load double, double *%ptr
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 DDB allows indices.
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define double @f6(double %f1, 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: ddb %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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%f2 = load double, double *%ptr2
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%res = call double @llvm.experimental.constrained.fdiv.f64(
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double %f1, double %f2,
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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 divisions of spilled values can use DDB rather than DDBR.
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define double @f7(double *%ptr0) #0 {
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; CHECK-LABEL: f7:
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; CHECK: brasl %r14, foo@PLT
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; CHECK-SCALAR: ddb %f0, 160(%r15)
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; CHECK: br %r14
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%ptr1 = getelementptr double, double *%ptr0, i64 2
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%ptr2 = getelementptr double, double *%ptr0, i64 4
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%ptr3 = getelementptr double, double *%ptr0, i64 6
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%ptr4 = getelementptr double, double *%ptr0, i64 8
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%ptr5 = getelementptr double, double *%ptr0, i64 10
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%ptr6 = getelementptr double, double *%ptr0, i64 12
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%ptr7 = getelementptr double, double *%ptr0, i64 14
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%ptr8 = getelementptr double, double *%ptr0, i64 16
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%ptr9 = getelementptr double, double *%ptr0, i64 18
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%ptr10 = getelementptr double, double *%ptr0, i64 20
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%val0 = load double, double *%ptr0
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%val1 = load double, double *%ptr1
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%val2 = load double, double *%ptr2
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%val3 = load double, double *%ptr3
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%val4 = load double, double *%ptr4
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%val5 = load double, double *%ptr5
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%val6 = load double, double *%ptr6
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%val7 = load double, double *%ptr7
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%val8 = load double, double *%ptr8
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%val9 = load double, double *%ptr9
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%val10 = load double, double *%ptr10
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%ret = call double @foo() #0
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%div0 = call double @llvm.experimental.constrained.fdiv.f64(
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double %ret, double %val0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div1 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div0, double %val1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div2 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div1, double %val2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div3 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div2, double %val3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div4 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div3, double %val4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div5 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div4, double %val5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div6 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div5, double %val6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div7 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div6, double %val7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div8 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div7, double %val8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div9 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div8, double %val9,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%div10 = call double @llvm.experimental.constrained.fdiv.f64(
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double %div9, double %val10,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret double %div10
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}
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attributes #0 = { strictfp }
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