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.
248 lines
8.9 KiB
LLVM
248 lines
8.9 KiB
LLVM
; Test the saving and restoring of FPRs in large frames.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck -check-prefix=CHECK-NOFP %s
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -frame-pointer=all | FileCheck -check-prefix=CHECK-FP %s
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; Test a frame size that requires some FPRs to be saved and loaded using
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; the 20-bit STDY and LDY while others can use the 12-bit STD and LD.
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; The frame is big enough to require two emergency spill slots at 160(%r15),
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; as well as the 8 FPR save slots. Get a frame of size 4128 by allocating
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; (4128 - 176 - 8 * 8) / 8 = 486 extra doublewords.
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define void @f1(ptr %ptr, i64 %x) {
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; CHECK-NOFP-LABEL: f1:
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; CHECK-NOFP: aghi %r15, -4128
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; CHECK-NOFP: .cfi_def_cfa_offset 4288
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; CHECK-NOFP: stdy %f8, 4120(%r15)
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; CHECK-NOFP: stdy %f9, 4112(%r15)
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; CHECK-NOFP: stdy %f10, 4104(%r15)
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; CHECK-NOFP: stdy %f11, 4096(%r15)
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; CHECK-NOFP: std %f12, 4088(%r15)
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; CHECK-NOFP: std %f13, 4080(%r15)
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; CHECK-NOFP: std %f14, 4072(%r15)
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; CHECK-NOFP: std %f15, 4064(%r15)
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; CHECK-NOFP: .cfi_offset %f8, -168
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; CHECK-NOFP: .cfi_offset %f9, -176
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; CHECK-NOFP: .cfi_offset %f10, -184
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; CHECK-NOFP: .cfi_offset %f11, -192
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; CHECK-NOFP: .cfi_offset %f12, -200
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; CHECK-NOFP: .cfi_offset %f13, -208
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; CHECK-NOFP: .cfi_offset %f14, -216
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; CHECK-NOFP: .cfi_offset %f15, -224
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; ...main function body...
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; CHECK-NOFP: ldy %f8, 4120(%r15)
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; CHECK-NOFP: ldy %f9, 4112(%r15)
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; CHECK-NOFP: ldy %f10, 4104(%r15)
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; CHECK-NOFP: ldy %f11, 4096(%r15)
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; CHECK-NOFP: ld %f12, 4088(%r15)
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; CHECK-NOFP: ld %f13, 4080(%r15)
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; CHECK-NOFP: ld %f14, 4072(%r15)
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; CHECK-NOFP: ld %f15, 4064(%r15)
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; CHECK-NOFP: aghi %r15, 4128
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; CHECK-NOFP: br %r14
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;
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; CHECK-FP-LABEL: f1:
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; CHECK-FP: stmg %r11, %r15, 88(%r15)
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; CHECK-FP: aghi %r15, -4128
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; CHECK-FP: .cfi_def_cfa_offset 4288
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; CHECK-FP: lgr %r11, %r15
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; CHECK-FP: .cfi_def_cfa_register %r11
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; CHECK-FP: stdy %f8, 4120(%r11)
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; CHECK-FP: stdy %f9, 4112(%r11)
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; CHECK-FP: stdy %f10, 4104(%r11)
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; CHECK-FP: stdy %f11, 4096(%r11)
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; CHECK-FP: std %f12, 4088(%r11)
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; CHECK-FP: std %f13, 4080(%r11)
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; CHECK-FP: std %f14, 4072(%r11)
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; CHECK-FP: std %f15, 4064(%r11)
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; ...main function body...
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; CHECK-FP: ldy %f8, 4120(%r11)
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; CHECK-FP: ldy %f9, 4112(%r11)
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; CHECK-FP: ldy %f10, 4104(%r11)
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; CHECK-FP: ldy %f11, 4096(%r11)
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; CHECK-FP: ld %f12, 4088(%r11)
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; CHECK-FP: ld %f13, 4080(%r11)
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; CHECK-FP: ld %f14, 4072(%r11)
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; CHECK-FP: ld %f15, 4064(%r11)
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; CHECK-FP: lmg %r11, %r15, 4216(%r11)
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; CHECK-FP: br %r14
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%y = alloca [486 x i64], align 8
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store volatile i64 %x, ptr %y
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%l0 = load volatile double, ptr %ptr
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%l1 = load volatile double, ptr %ptr
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%l2 = load volatile double, ptr %ptr
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%l3 = load volatile double, ptr %ptr
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%l4 = load volatile double, ptr %ptr
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%l5 = load volatile double, ptr %ptr
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%l6 = load volatile double, ptr %ptr
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%l7 = load volatile double, ptr %ptr
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%l8 = load volatile double, ptr %ptr
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%l9 = load volatile double, ptr %ptr
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%l10 = load volatile double, ptr %ptr
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%l11 = load volatile double, ptr %ptr
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%l12 = load volatile double, ptr %ptr
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%l13 = load volatile double, ptr %ptr
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%l14 = load volatile double, ptr %ptr
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%l15 = load volatile double, ptr %ptr
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%add0 = fadd double %l0, %l0
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%add1 = fadd double %l1, %add0
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%add2 = fadd double %l2, %add1
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%add3 = fadd double %l3, %add2
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%add4 = fadd double %l4, %add3
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%add5 = fadd double %l5, %add4
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%add6 = fadd double %l6, %add5
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%add7 = fadd double %l7, %add6
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%add8 = fadd double %l8, %add7
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%add9 = fadd double %l9, %add8
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%add10 = fadd double %l10, %add9
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%add11 = fadd double %l11, %add10
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%add12 = fadd double %l12, %add11
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%add13 = fadd double %l13, %add12
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%add14 = fadd double %l14, %add13
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%add15 = fadd double %l15, %add14
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store volatile double %add0, ptr %ptr
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store volatile double %add1, ptr %ptr
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store volatile double %add2, ptr %ptr
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store volatile double %add3, ptr %ptr
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store volatile double %add4, ptr %ptr
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store volatile double %add5, ptr %ptr
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store volatile double %add6, ptr %ptr
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store volatile double %add7, ptr %ptr
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store volatile double %add8, ptr %ptr
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store volatile double %add9, ptr %ptr
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store volatile double %add10, ptr %ptr
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store volatile double %add11, ptr %ptr
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store volatile double %add12, ptr %ptr
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store volatile double %add13, ptr %ptr
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store volatile double %add14, ptr %ptr
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store volatile double %add15, ptr %ptr
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ret void
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}
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; Test a frame size that requires some FPRs to be saved and loaded using
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; an indexed STD and LD while others can use the 20-bit STDY and LDY.
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; The index can be any call-clobbered GPR except %r0.
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;
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; Don't require the accesses to share the same LLILH; that would be a
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; good optimisation but is really a different test.
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;
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; As above, get a frame of size 524320 by allocating
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; (524320 - 176 - 8 * 8) / 8 = 65510 extra doublewords.
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define void @f2(ptr %ptr, i64 %x) {
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; CHECK-NOFP-LABEL: f2:
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; CHECK-NOFP: agfi %r15, -524320
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; CHECK-NOFP: .cfi_def_cfa_offset 524480
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; CHECK-NOFP: llilh [[INDEX:%r[1-5]]], 8
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; CHECK-NOFP: std %f8, 24([[INDEX]],%r15)
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; CHECK-NOFP: std %f9, 16({{%r[1-5]}},%r15)
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; CHECK-NOFP: std %f10, 8({{%r[1-5]}},%r15)
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; CHECK-NOFP: std %f11, 0({{%r[1-5]}},%r15)
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; CHECK-NOFP: stdy %f12, 524280(%r15)
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; CHECK-NOFP: stdy %f13, 524272(%r15)
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; CHECK-NOFP: stdy %f14, 524264(%r15)
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; CHECK-NOFP: stdy %f15, 524256(%r15)
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; CHECK-NOFP: .cfi_offset %f8, -168
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; CHECK-NOFP: .cfi_offset %f9, -176
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; CHECK-NOFP: .cfi_offset %f10, -184
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; CHECK-NOFP: .cfi_offset %f11, -192
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; CHECK-NOFP: .cfi_offset %f12, -200
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; CHECK-NOFP: .cfi_offset %f13, -208
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; CHECK-NOFP: .cfi_offset %f14, -216
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; CHECK-NOFP: .cfi_offset %f15, -224
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; ...main function body...
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; CHECK-NOFP: ld %f8, 24({{%r[1-5]}},%r15)
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; CHECK-NOFP: ld %f9, 16({{%r[1-5]}},%r15)
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; CHECK-NOFP: ld %f10, 8({{%r[1-5]}},%r15)
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; CHECK-NOFP: ld %f11, 0({{%r[1-5]}},%r15)
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; CHECK-NOFP: ldy %f12, 524280(%r15)
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; CHECK-NOFP: ldy %f13, 524272(%r15)
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; CHECK-NOFP: ldy %f14, 524264(%r15)
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; CHECK-NOFP: ldy %f15, 524256(%r15)
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; CHECK-NOFP: agfi %r15, 524320
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; CHECK-NOFP: br %r14
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;
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; CHECK-FP-LABEL: f2:
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; CHECK-FP: stmg %r11, %r15, 88(%r15)
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; CHECK-FP: agfi %r15, -524320
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; CHECK-FP: .cfi_def_cfa_offset 524480
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; CHECK-FP: llilh [[INDEX:%r[1-5]]], 8
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; CHECK-FP: std %f8, 24([[INDEX]],%r11)
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; CHECK-FP: std %f9, 16({{%r[1-5]}},%r11)
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; CHECK-FP: std %f10, 8({{%r[1-5]}},%r11)
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; CHECK-FP: std %f11, 0({{%r[1-5]}},%r11)
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; CHECK-FP: stdy %f12, 524280(%r11)
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; CHECK-FP: stdy %f13, 524272(%r11)
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; CHECK-FP: stdy %f14, 524264(%r11)
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; CHECK-FP: stdy %f15, 524256(%r11)
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; CHECK-FP: .cfi_offset %f8, -168
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; CHECK-FP: .cfi_offset %f9, -176
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; CHECK-FP: .cfi_offset %f10, -184
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; CHECK-FP: .cfi_offset %f11, -192
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; CHECK-FP: .cfi_offset %f12, -200
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; CHECK-FP: .cfi_offset %f13, -208
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; CHECK-FP: .cfi_offset %f14, -216
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; CHECK-FP: .cfi_offset %f15, -224
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; ...main function body...
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; CHECK-FP: ld %f8, 24({{%r[1-5]}},%r11)
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; CHECK-FP: ld %f9, 16({{%r[1-5]}},%r11)
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; CHECK-FP: ld %f10, 8({{%r[1-5]}},%r11)
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; CHECK-FP: ld %f11, 0({{%r[1-5]}},%r11)
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; CHECK-FP: ldy %f12, 524280(%r11)
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; CHECK-FP: ldy %f13, 524272(%r11)
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; CHECK-FP: ldy %f14, 524264(%r11)
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; CHECK-FP: ldy %f15, 524256(%r11)
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; CHECK-FP: aghi %r11, 128
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; CHECK-FP: lmg %r11, %r15, 524280(%r11)
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; CHECK-FP: br %r14
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%y = alloca [65510 x i64], align 8
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store volatile i64 %x, ptr %y
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%l0 = load volatile double, ptr %ptr
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%l1 = load volatile double, ptr %ptr
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%l2 = load volatile double, ptr %ptr
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%l3 = load volatile double, ptr %ptr
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%l4 = load volatile double, ptr %ptr
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%l5 = load volatile double, ptr %ptr
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%l6 = load volatile double, ptr %ptr
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%l7 = load volatile double, ptr %ptr
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%l8 = load volatile double, ptr %ptr
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%l9 = load volatile double, ptr %ptr
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%l10 = load volatile double, ptr %ptr
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%l11 = load volatile double, ptr %ptr
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%l12 = load volatile double, ptr %ptr
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%l13 = load volatile double, ptr %ptr
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%l14 = load volatile double, ptr %ptr
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%l15 = load volatile double, ptr %ptr
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%add0 = fadd double %l0, %l0
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%add1 = fadd double %l1, %add0
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%add2 = fadd double %l2, %add1
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%add3 = fadd double %l3, %add2
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%add4 = fadd double %l4, %add3
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%add5 = fadd double %l5, %add4
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%add6 = fadd double %l6, %add5
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%add7 = fadd double %l7, %add6
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%add8 = fadd double %l8, %add7
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%add9 = fadd double %l9, %add8
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%add10 = fadd double %l10, %add9
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%add11 = fadd double %l11, %add10
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%add12 = fadd double %l12, %add11
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%add13 = fadd double %l13, %add12
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%add14 = fadd double %l14, %add13
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%add15 = fadd double %l15, %add14
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store volatile double %add0, ptr %ptr
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store volatile double %add1, ptr %ptr
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store volatile double %add2, ptr %ptr
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store volatile double %add3, ptr %ptr
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store volatile double %add4, ptr %ptr
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store volatile double %add5, ptr %ptr
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store volatile double %add6, ptr %ptr
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store volatile double %add7, ptr %ptr
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store volatile double %add8, ptr %ptr
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store volatile double %add9, ptr %ptr
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store volatile double %add10, ptr %ptr
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store volatile double %add11, ptr %ptr
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store volatile double %add12, ptr %ptr
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store volatile double %add13, ptr %ptr
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store volatile double %add14, ptr %ptr
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store volatile double %add15, ptr %ptr
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ret void
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}
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