forked from OSchip/llvm-project
436 lines
20 KiB
LLVM
436 lines
20 KiB
LLVM
; Test strict multiplication of two f64s, producing an f128 result.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)
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declare double @llvm.experimental.constrained.fadd.f64(double, double, metadata, metadata)
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declare double @llvm.experimental.constrained.fptrunc.f64.f128(fp128, metadata, metadata)
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declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
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declare double @foo()
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; Check register multiplication. "mxdbr %f0, %f2" is not valid from LLVM's
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; point of view, because %f2 is the low register of the FP128 %f0. Pass the
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; multiplier in %f4 instead.
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define void @f1(double %f1, double %dummy, double %f2, fp128 *%dst) #0 {
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; CHECK-LABEL: f1:
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; CHECK: mxdbr %f0, %f4
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Check the low end of the MXDB range.
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define void @f2(double %f1, double *%ptr, fp128 *%dst) #0 {
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; CHECK-LABEL: f2:
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; CHECK: mxdb %f0, 0(%r2)
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; CHECK: std %f0, 0(%r3)
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; CHECK: std %f2, 8(%r3)
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; CHECK: br %r14
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%f2 = load double, double *%ptr
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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Check the high end of the aligned MXDB range.
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define void @f3(double %f1, double *%base, fp128 *%dst) #0 {
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; CHECK-LABEL: f3:
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; CHECK: mxdb %f0, 4088(%r2)
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; CHECK: std %f0, 0(%r3)
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; CHECK: std %f2, 8(%r3)
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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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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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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 void @f4(double %f1, double *%base, fp128 *%dst) #0 {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r2, 4096
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; CHECK: mxdb %f0, 0(%r2)
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; CHECK: std %f0, 0(%r3)
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; CHECK: std %f2, 8(%r3)
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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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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Check negative displacements, which also need separate address logic.
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define void @f5(double %f1, double *%base, fp128 *%dst) #0 {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r2, -8
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; CHECK: mxdb %f0, 0(%r2)
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; CHECK: std %f0, 0(%r3)
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; CHECK: std %f2, 8(%r3)
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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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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Check that MXDB allows indices.
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define void @f6(double %f1, double *%base, i64 %index, fp128 *%dst) #0 {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r3, 3
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; CHECK: mxdb %f0, 800(%r1,%r2)
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; CHECK: std %f0, 0(%r4)
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; CHECK: std %f2, 8(%r4)
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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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%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f1,
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metadata !"fpexcept.strict") #0
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%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %f2,
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metadata !"fpexcept.strict") #0
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%res = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %f1x, fp128 %f2x,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store fp128 %res, fp128 *%dst
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ret void
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}
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; Check that multiplications of spilled values can use MXDB rather than MXDBR.
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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: mxdb %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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%frob0 = call double @llvm.experimental.constrained.fadd.f64(
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double %val0, double %val0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob1 = call double @llvm.experimental.constrained.fadd.f64(
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double %val1, double %val1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob2 = call double @llvm.experimental.constrained.fadd.f64(
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double %val2, double %val2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob3 = call double @llvm.experimental.constrained.fadd.f64(
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double %val3, double %val3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob4 = call double @llvm.experimental.constrained.fadd.f64(
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double %val4, double %val4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob5 = call double @llvm.experimental.constrained.fadd.f64(
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double %val5, double %val5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob6 = call double @llvm.experimental.constrained.fadd.f64(
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double %val6, double %val6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob7 = call double @llvm.experimental.constrained.fadd.f64(
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double %val7, double %val7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob8 = call double @llvm.experimental.constrained.fadd.f64(
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double %val8, double %val8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob9 = call double @llvm.experimental.constrained.fadd.f64(
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double %val9, double %val9,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%frob10 = call double @llvm.experimental.constrained.fadd.f64(
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double %val10, double %val10,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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store double %frob0, double *%ptr0
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store double %frob1, double *%ptr1
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store double %frob2, double *%ptr2
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store double %frob3, double *%ptr3
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store double %frob4, double *%ptr4
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store double %frob5, double *%ptr5
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store double %frob6, double *%ptr6
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store double %frob7, double *%ptr7
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store double %frob8, double *%ptr8
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store double %frob9, double *%ptr9
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store double %frob10, double *%ptr10
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%ret = call double @foo() #0
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%accext0 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %ret,
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metadata !"fpexcept.strict") #0
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%ext0 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob0,
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metadata !"fpexcept.strict") #0
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%mul0 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext0, fp128 %ext0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra0 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul0, fp128 0xL00000000000000003fff000001000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc0 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra0,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext1 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc0,
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metadata !"fpexcept.strict") #0
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%ext1 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob1,
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metadata !"fpexcept.strict") #0
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%mul1 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext1, fp128 %ext1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra1 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul1, fp128 0xL00000000000000003fff000002000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc1 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra1,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext2 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc1,
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metadata !"fpexcept.strict") #0
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%ext2 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob2,
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metadata !"fpexcept.strict") #0
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%mul2 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext2, fp128 %ext2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra2 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul2, fp128 0xL00000000000000003fff000003000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc2 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra2,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext3 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc2,
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metadata !"fpexcept.strict") #0
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%ext3 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob3,
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metadata !"fpexcept.strict") #0
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%mul3 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext3, fp128 %ext3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra3 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul3, fp128 0xL00000000000000003fff000004000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc3 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra3,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext4 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc3,
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metadata !"fpexcept.strict") #0
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%ext4 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob4,
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metadata !"fpexcept.strict") #0
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%mul4 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext4, fp128 %ext4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra4 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul4, fp128 0xL00000000000000003fff000005000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc4 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra4,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext5 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc4,
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metadata !"fpexcept.strict") #0
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%ext5 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob5,
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metadata !"fpexcept.strict") #0
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%mul5 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext5, fp128 %ext5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra5 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul5, fp128 0xL00000000000000003fff000006000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc5 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra5,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext6 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc5,
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metadata !"fpexcept.strict") #0
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%ext6 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob6,
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metadata !"fpexcept.strict") #0
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%mul6 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext6, fp128 %ext6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra6 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul6, fp128 0xL00000000000000003fff000007000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc6 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra6,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext7 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc6,
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metadata !"fpexcept.strict") #0
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%ext7 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob7,
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metadata !"fpexcept.strict") #0
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%mul7 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext7, fp128 %ext7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra7 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul7, fp128 0xL00000000000000003fff000008000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc7 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra7,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%accext8 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %trunc7,
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metadata !"fpexcept.strict") #0
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%ext8 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
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double %frob8,
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metadata !"fpexcept.strict") #0
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%mul8 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %accext8, fp128 %ext8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%extra8 = call fp128 @llvm.experimental.constrained.fmul.f128(
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fp128 %mul8, fp128 0xL00000000000000003fff000009000000,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
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%trunc8 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
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fp128 %extra8,
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metadata !"round.dynamic",
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metadata !"fpexcept.strict") #0
|
|
|
|
%accext9 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
|
|
double %trunc8,
|
|
metadata !"fpexcept.strict") #0
|
|
%ext9 = call fp128 @llvm.experimental.constrained.fpext.f128.f64(
|
|
double %frob9,
|
|
metadata !"fpexcept.strict") #0
|
|
%mul9 = call fp128 @llvm.experimental.constrained.fmul.f128(
|
|
fp128 %accext9, fp128 %ext9,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
%extra9 = call fp128 @llvm.experimental.constrained.fmul.f128(
|
|
fp128 %mul9, fp128 0xL00000000000000003fff00000a000000,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
%trunc9 = call double @llvm.experimental.constrained.fptrunc.f64.f128(
|
|
fp128 %extra9,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
|
|
ret double %trunc9
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|