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.
171 lines
5.2 KiB
LLVM
171 lines
5.2 KiB
LLVM
; Test extensions of f64 to f128.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check register extension.
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define void @f1(ptr %dst, double %val) {
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; CHECK-LABEL: f1:
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; CHECK: lxdbr %f0, %f0
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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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%res = fpext double %val to fp128
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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 LXDB range.
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define void @f2(ptr %dst, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: lxdb %f0, 0(%r3)
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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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%val = load double, ptr %ptr
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%res = fpext double %val to fp128
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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 LXDB range.
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define void @f3(ptr %dst, ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: lxdb %f0, 4088(%r3)
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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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%ptr = getelementptr double, ptr %base, i64 511
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%val = load double, ptr %ptr
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%res = fpext double %val to fp128
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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(ptr %dst, ptr %base) {
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; CHECK-LABEL: f4:
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; CHECK: aghi %r3, 4096
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; CHECK: lxdb %f0, 0(%r3)
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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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%ptr = getelementptr double, ptr %base, i64 512
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%val = load double, ptr %ptr
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%res = fpext double %val to fp128
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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(ptr %dst, ptr %base) {
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; CHECK-LABEL: f5:
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; CHECK: aghi %r3, -8
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; CHECK: lxdb %f0, 0(%r3)
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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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%ptr = getelementptr double, ptr %base, i64 -1
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%val = load double, ptr %ptr
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%res = fpext double %val to fp128
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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 LXDB allows indices.
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define void @f6(ptr %dst, ptr %base, i64 %index) {
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; CHECK-LABEL: f6:
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; CHECK: sllg %r1, %r4, 3
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; CHECK: lxdb %f0, 800(%r1,%r3)
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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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%ptr1 = getelementptr double, ptr %base, i64 %index
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%ptr2 = getelementptr double, ptr %ptr1, i64 100
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%val = load double, ptr %ptr2
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%res = fpext double %val to fp128
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store fp128 %res, ptr %dst
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ret void
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}
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; Test a case where we spill the source of at least one LXDBR. We want
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; to use LXDB if possible.
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define void @f7(ptr %ptr1, ptr %ptr2) {
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; CHECK-LABEL: f7:
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; CHECK: lxdb {{%f[0-9]+}}, 160(%r15)
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; CHECK: br %r14
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%val0 = load volatile double, ptr %ptr2
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%val1 = load volatile double, ptr %ptr2
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%val2 = load volatile double, ptr %ptr2
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%val3 = load volatile double, ptr %ptr2
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%val4 = load volatile double, ptr %ptr2
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%val5 = load volatile double, ptr %ptr2
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%val6 = load volatile double, ptr %ptr2
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%val7 = load volatile double, ptr %ptr2
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%val8 = load volatile double, ptr %ptr2
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%val9 = load volatile double, ptr %ptr2
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%val10 = load volatile double, ptr %ptr2
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%val11 = load volatile double, ptr %ptr2
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%val12 = load volatile double, ptr %ptr2
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%val13 = load volatile double, ptr %ptr2
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%val14 = load volatile double, ptr %ptr2
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%val15 = load volatile double, ptr %ptr2
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%val16 = load volatile double, ptr %ptr2
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%ext0 = fpext double %val0 to fp128
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%ext1 = fpext double %val1 to fp128
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%ext2 = fpext double %val2 to fp128
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%ext3 = fpext double %val3 to fp128
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%ext4 = fpext double %val4 to fp128
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%ext5 = fpext double %val5 to fp128
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%ext6 = fpext double %val6 to fp128
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%ext7 = fpext double %val7 to fp128
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%ext8 = fpext double %val8 to fp128
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%ext9 = fpext double %val9 to fp128
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%ext10 = fpext double %val10 to fp128
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%ext11 = fpext double %val11 to fp128
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%ext12 = fpext double %val12 to fp128
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%ext13 = fpext double %val13 to fp128
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%ext14 = fpext double %val14 to fp128
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%ext15 = fpext double %val15 to fp128
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%ext16 = fpext double %val16 to fp128
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store volatile double %val0, ptr %ptr2
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store volatile double %val1, ptr %ptr2
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store volatile double %val2, ptr %ptr2
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store volatile double %val3, ptr %ptr2
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store volatile double %val4, ptr %ptr2
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store volatile double %val5, ptr %ptr2
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store volatile double %val6, ptr %ptr2
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store volatile double %val7, ptr %ptr2
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store volatile double %val8, ptr %ptr2
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store volatile double %val9, ptr %ptr2
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store volatile double %val10, ptr %ptr2
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store volatile double %val11, ptr %ptr2
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store volatile double %val12, ptr %ptr2
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store volatile double %val13, ptr %ptr2
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store volatile double %val14, ptr %ptr2
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store volatile double %val15, ptr %ptr2
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store volatile double %val16, ptr %ptr2
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store volatile fp128 %ext0, ptr %ptr1
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store volatile fp128 %ext1, ptr %ptr1
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store volatile fp128 %ext2, ptr %ptr1
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store volatile fp128 %ext3, ptr %ptr1
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store volatile fp128 %ext4, ptr %ptr1
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store volatile fp128 %ext5, ptr %ptr1
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store volatile fp128 %ext6, ptr %ptr1
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store volatile fp128 %ext7, ptr %ptr1
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store volatile fp128 %ext8, ptr %ptr1
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store volatile fp128 %ext9, ptr %ptr1
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store volatile fp128 %ext10, ptr %ptr1
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store volatile fp128 %ext11, ptr %ptr1
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store volatile fp128 %ext12, ptr %ptr1
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store volatile fp128 %ext13, ptr %ptr1
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store volatile fp128 %ext14, ptr %ptr1
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store volatile fp128 %ext15, ptr %ptr1
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store volatile fp128 %ext16, ptr %ptr1
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ret void
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}
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