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.
234 lines
7.1 KiB
LLVM
234 lines
7.1 KiB
LLVM
; Test 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 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, ptr %dst) {
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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 = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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, ptr %ptr, ptr %dst) {
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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, ptr %ptr
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%f1x = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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, ptr %base, ptr %dst) {
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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, ptr %base, i64 511
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%f2 = load double, ptr %ptr
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%f1x = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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, ptr %base, ptr %dst) {
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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, ptr %base, i64 512
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%f2 = load double, ptr %ptr
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%f1x = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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, ptr %base, ptr %dst) {
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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, ptr %base, i64 -1
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%f2 = load double, ptr %ptr
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%f1x = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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, ptr %base, i64 %index, ptr %dst) {
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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, ptr %base, i64 %index
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%ptr2 = getelementptr double, ptr %ptr1, i64 100
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%f2 = load double, ptr %ptr2
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%f1x = fpext double %f1 to fp128
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%f2x = fpext double %f2 to fp128
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%res = fmul fp128 %f1x, %f2x
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store fp128 %res, ptr %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(ptr %ptr0) {
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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, ptr %ptr0, i64 2
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%ptr2 = getelementptr double, ptr %ptr0, i64 4
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%ptr3 = getelementptr double, ptr %ptr0, i64 6
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%ptr4 = getelementptr double, ptr %ptr0, i64 8
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%ptr5 = getelementptr double, ptr %ptr0, i64 10
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%ptr6 = getelementptr double, ptr %ptr0, i64 12
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%ptr7 = getelementptr double, ptr %ptr0, i64 14
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%ptr8 = getelementptr double, ptr %ptr0, i64 16
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%ptr9 = getelementptr double, ptr %ptr0, i64 18
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%ptr10 = getelementptr double, ptr %ptr0, i64 20
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%val0 = load double, ptr %ptr0
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%val1 = load double, ptr %ptr1
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%val2 = load double, ptr %ptr2
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%val3 = load double, ptr %ptr3
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%val4 = load double, ptr %ptr4
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%val5 = load double, ptr %ptr5
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%val6 = load double, ptr %ptr6
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%val7 = load double, ptr %ptr7
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%val8 = load double, ptr %ptr8
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%val9 = load double, ptr %ptr9
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%val10 = load double, ptr %ptr10
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%frob0 = fadd double %val0, %val0
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%frob1 = fadd double %val1, %val1
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%frob2 = fadd double %val2, %val2
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%frob3 = fadd double %val3, %val3
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%frob4 = fadd double %val4, %val4
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%frob5 = fadd double %val5, %val5
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%frob6 = fadd double %val6, %val6
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%frob7 = fadd double %val7, %val7
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%frob8 = fadd double %val8, %val8
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%frob9 = fadd double %val9, %val9
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%frob10 = fadd double %val9, %val10
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store double %frob0, ptr %ptr0
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store double %frob1, ptr %ptr1
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store double %frob2, ptr %ptr2
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store double %frob3, ptr %ptr3
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store double %frob4, ptr %ptr4
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store double %frob5, ptr %ptr5
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store double %frob6, ptr %ptr6
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store double %frob7, ptr %ptr7
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store double %frob8, ptr %ptr8
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store double %frob9, ptr %ptr9
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store double %frob10, ptr %ptr10
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%ret = call double @foo()
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%accext0 = fpext double %ret to fp128
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%ext0 = fpext double %frob0 to fp128
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%mul0 = fmul fp128 %accext0, %ext0
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%const0 = fpext double 1.01 to fp128
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%extra0 = fmul fp128 %mul0, %const0
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%trunc0 = fptrunc fp128 %extra0 to double
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%accext1 = fpext double %trunc0 to fp128
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%ext1 = fpext double %frob1 to fp128
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%mul1 = fmul fp128 %accext1, %ext1
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%const1 = fpext double 1.11 to fp128
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%extra1 = fmul fp128 %mul1, %const1
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%trunc1 = fptrunc fp128 %extra1 to double
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%accext2 = fpext double %trunc1 to fp128
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%ext2 = fpext double %frob2 to fp128
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%mul2 = fmul fp128 %accext2, %ext2
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%const2 = fpext double 1.21 to fp128
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%extra2 = fmul fp128 %mul2, %const2
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%trunc2 = fptrunc fp128 %extra2 to double
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%accext3 = fpext double %trunc2 to fp128
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%ext3 = fpext double %frob3 to fp128
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%mul3 = fmul fp128 %accext3, %ext3
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%const3 = fpext double 1.31 to fp128
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%extra3 = fmul fp128 %mul3, %const3
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%trunc3 = fptrunc fp128 %extra3 to double
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%accext4 = fpext double %trunc3 to fp128
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%ext4 = fpext double %frob4 to fp128
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%mul4 = fmul fp128 %accext4, %ext4
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%const4 = fpext double 1.41 to fp128
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%extra4 = fmul fp128 %mul4, %const4
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%trunc4 = fptrunc fp128 %extra4 to double
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%accext5 = fpext double %trunc4 to fp128
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%ext5 = fpext double %frob5 to fp128
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%mul5 = fmul fp128 %accext5, %ext5
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%const5 = fpext double 1.51 to fp128
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%extra5 = fmul fp128 %mul5, %const5
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%trunc5 = fptrunc fp128 %extra5 to double
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%accext6 = fpext double %trunc5 to fp128
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%ext6 = fpext double %frob6 to fp128
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%mul6 = fmul fp128 %accext6, %ext6
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%const6 = fpext double 1.61 to fp128
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%extra6 = fmul fp128 %mul6, %const6
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%trunc6 = fptrunc fp128 %extra6 to double
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%accext7 = fpext double %trunc6 to fp128
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%ext7 = fpext double %frob7 to fp128
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%mul7 = fmul fp128 %accext7, %ext7
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%const7 = fpext double 1.71 to fp128
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%extra7 = fmul fp128 %mul7, %const7
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%trunc7 = fptrunc fp128 %extra7 to double
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%accext8 = fpext double %trunc7 to fp128
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%ext8 = fpext double %frob8 to fp128
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%mul8 = fmul fp128 %accext8, %ext8
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%const8 = fpext double 1.81 to fp128
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%extra8 = fmul fp128 %mul8, %const8
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%trunc8 = fptrunc fp128 %extra8 to double
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%accext9 = fpext double %trunc8 to fp128
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%ext9 = fpext double %frob9 to fp128
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%mul9 = fmul fp128 %accext9, %ext9
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%const9 = fpext double 1.91 to fp128
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%extra9 = fmul fp128 %mul9, %const9
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%trunc9 = fptrunc fp128 %extra9 to double
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ret double %trunc9
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}
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