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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
6.7 KiB
LLVM
176 lines
6.7 KiB
LLVM
; Test strict multiplication of two f32s, producing an f32 result.
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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=z14 | FileCheck %s
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declare float @foo()
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declare float @llvm.experimental.constrained.fmul.f32(float, float, metadata, metadata)
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; Check register multiplication.
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define float @f1(float %f1, float %f2) #0 {
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; CHECK-LABEL: f1:
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; CHECK: meebr %f0, %f2
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; CHECK: br %r14
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the low end of the MEEB range.
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define float @f2(float %f1, float *%ptr) #0 {
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; CHECK-LABEL: f2:
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; CHECK: meeb %f0, 0(%r2)
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; CHECK: br %r14
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%f2 = load float, float *%ptr
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the high end of the aligned MEEB range.
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define float @f3(float %f1, float *%base) #0 {
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; CHECK-LABEL: f3:
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; CHECK: meeb %f0, 4092(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 1023
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%f2 = load float, float *%ptr
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check the next word up, which needs separate address logic.
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; Other sequences besides this one would be OK.
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define float @f4(float %f1, float *%base) #0 {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: meeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 1024
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%f2 = load float, float *%ptr
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check negative displacements, which also need separate address logic.
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define float @f5(float %f1, float *%base) #0 {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -4
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; CHECK: meeb %f0, 0(%r2)
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; CHECK: br %r14
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%ptr = getelementptr float, float *%base, i64 -1
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%f2 = load float, float *%ptr
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check that MEEB allows indices.
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define float @f6(float %f1, float *%base, i64 %index) #0 {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 2
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; CHECK: meeb %f0, 400(%r1,%r2)
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; CHECK: br %r14
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%ptr1 = getelementptr float, float *%base, i64 %index
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%ptr2 = getelementptr float, float *%ptr1, i64 100
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%f2 = load float, float *%ptr2
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%res = call float @llvm.experimental.constrained.fmul.f32(
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float %f1, float %f2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %res
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}
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; Check that multiplications of spilled values can use MEEB rather than MEEBR.
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define float @f7(float *%ptr0) #0 {
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; CHECK-LABEL: f7:
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; CHECK: brasl %r14, foo@PLT
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; CHECK-SCALAR: meeb %f0, 16{{[04]}}(%r15)
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; CHECK: br %r14
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%ptr1 = getelementptr float, float *%ptr0, i64 2
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%ptr2 = getelementptr float, float *%ptr0, i64 4
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%ptr3 = getelementptr float, float *%ptr0, i64 6
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%ptr4 = getelementptr float, float *%ptr0, i64 8
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%ptr5 = getelementptr float, float *%ptr0, i64 10
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%ptr6 = getelementptr float, float *%ptr0, i64 12
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%ptr7 = getelementptr float, float *%ptr0, i64 14
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%ptr8 = getelementptr float, float *%ptr0, i64 16
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%ptr9 = getelementptr float, float *%ptr0, i64 18
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%ptr10 = getelementptr float, float *%ptr0, i64 20
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%val0 = load float, float *%ptr0
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%val1 = load float, float *%ptr1
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%val2 = load float, float *%ptr2
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%val3 = load float, float *%ptr3
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%val4 = load float, float *%ptr4
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%val5 = load float, float *%ptr5
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%val6 = load float, float *%ptr6
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%val7 = load float, float *%ptr7
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%val8 = load float, float *%ptr8
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%val9 = load float, float *%ptr9
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%val10 = load float, float *%ptr10
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%ret = call float @foo() #0
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%mul0 = call float @llvm.experimental.constrained.fmul.f32(
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float %ret, float %val0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul1 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul0, float %val1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul2 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul1, float %val2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul3 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul2, float %val3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul4 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul3, float %val4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul5 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul4, float %val5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul6 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul5, float %val6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul7 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul6, float %val7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul8 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul7, float %val8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul9 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul8, float %val9,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%mul10 = call float @llvm.experimental.constrained.fmul.f32(
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float %mul9, float %val10,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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ret float %mul10
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}
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attributes #0 = { strictfp }
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