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
5.1 KiB
LLVM
171 lines
5.1 KiB
LLVM
; Test extensions of f32 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, float %val) {
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; CHECK-LABEL: f1:
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; CHECK: lxebr %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 float %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 LXEB range.
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define void @f2(ptr %dst, ptr %ptr) {
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; CHECK-LABEL: f2:
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; CHECK: lxeb %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 float, ptr %ptr
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%res = fpext float %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 LXEB range.
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define void @f3(ptr %dst, ptr %base) {
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; CHECK-LABEL: f3:
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; CHECK: lxeb %f0, 4092(%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 float, ptr %base, i64 1023
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%val = load float, ptr %ptr
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%res = fpext float %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 word 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: lxeb %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 float, ptr %base, i64 1024
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%val = load float, ptr %ptr
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%res = fpext float %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, -4
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; CHECK: lxeb %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 float, ptr %base, i64 -1
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%val = load float, ptr %ptr
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%res = fpext float %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 LXEB 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, 2
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; CHECK: lxeb %f0, 400(%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 float, ptr %base, i64 %index
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%ptr2 = getelementptr float, ptr %ptr1, i64 100
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%val = load float, ptr %ptr2
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%res = fpext float %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 LXEBR. We want
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; to use LXEB 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: lxeb {{%f[0-9]+}}, 16{{[04]}}(%r15)
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; CHECK: br %r14
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%val0 = load volatile float, ptr %ptr2
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%val1 = load volatile float, ptr %ptr2
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%val2 = load volatile float, ptr %ptr2
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%val3 = load volatile float, ptr %ptr2
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%val4 = load volatile float, ptr %ptr2
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%val5 = load volatile float, ptr %ptr2
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%val6 = load volatile float, ptr %ptr2
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%val7 = load volatile float, ptr %ptr2
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%val8 = load volatile float, ptr %ptr2
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%val9 = load volatile float, ptr %ptr2
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%val10 = load volatile float, ptr %ptr2
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%val11 = load volatile float, ptr %ptr2
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%val12 = load volatile float, ptr %ptr2
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%val13 = load volatile float, ptr %ptr2
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%val14 = load volatile float, ptr %ptr2
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%val15 = load volatile float, ptr %ptr2
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%val16 = load volatile float, ptr %ptr2
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%ext0 = fpext float %val0 to fp128
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%ext1 = fpext float %val1 to fp128
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%ext2 = fpext float %val2 to fp128
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%ext3 = fpext float %val3 to fp128
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%ext4 = fpext float %val4 to fp128
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%ext5 = fpext float %val5 to fp128
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%ext6 = fpext float %val6 to fp128
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%ext7 = fpext float %val7 to fp128
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%ext8 = fpext float %val8 to fp128
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%ext9 = fpext float %val9 to fp128
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%ext10 = fpext float %val10 to fp128
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%ext11 = fpext float %val11 to fp128
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%ext12 = fpext float %val12 to fp128
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%ext13 = fpext float %val13 to fp128
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%ext14 = fpext float %val14 to fp128
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%ext15 = fpext float %val15 to fp128
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%ext16 = fpext float %val16 to fp128
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store volatile float %val0, ptr %ptr2
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store volatile float %val1, ptr %ptr2
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store volatile float %val2, ptr %ptr2
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store volatile float %val3, ptr %ptr2
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store volatile float %val4, ptr %ptr2
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store volatile float %val5, ptr %ptr2
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store volatile float %val6, ptr %ptr2
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store volatile float %val7, ptr %ptr2
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store volatile float %val8, ptr %ptr2
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store volatile float %val9, ptr %ptr2
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store volatile float %val10, ptr %ptr2
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store volatile float %val11, ptr %ptr2
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store volatile float %val12, ptr %ptr2
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store volatile float %val13, ptr %ptr2
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store volatile float %val14, ptr %ptr2
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store volatile float %val15, ptr %ptr2
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store volatile float %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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