llvm-project/llvm/test/CodeGen/PowerPC/ctrloop-constrained-fp.ll
Kai Nacke 427fb35192 [PPC] Opaque pointer migration, part 1.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, amyk, nikic, PowerPC

Differential Revision: https://reviews.llvm.org/D135470
2022-10-11 17:24:06 +00:00

88 lines
2.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple powerpc64le < %s | FileCheck %s
; Check constrained ops converted to call
define void @test(ptr %cast) {
; CHECK-LABEL: test:
; CHECK: # %bb.0: # %root
; CHECK-NEXT: mflr 0
; CHECK-NEXT: .cfi_def_cfa_offset 64
; CHECK-NEXT: .cfi_offset lr, 16
; CHECK-NEXT: .cfi_offset r29, -24
; CHECK-NEXT: .cfi_offset r30, -16
; CHECK-NEXT: std 29, -24(1) # 8-byte Folded Spill
; CHECK-NEXT: std 30, -16(1) # 8-byte Folded Spill
; CHECK-NEXT: std 0, 16(1)
; CHECK-NEXT: stdu 1, -64(1)
; CHECK-NEXT: li 30, 0
; CHECK-NEXT: addi 29, 3, -8
; CHECK-NEXT: .p2align 5
; CHECK-NEXT: .LBB0_1: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lfdu 1, 8(29)
; CHECK-NEXT: bl cos
; CHECK-NEXT: nop
; CHECK-NEXT: addi 30, 30, 8
; CHECK-NEXT: stfd 1, 0(29)
; CHECK-NEXT: cmpldi 30, 2040
; CHECK-NEXT: bne 0, .LBB0_1
; CHECK-NEXT: # %bb.2: # %exit
; CHECK-NEXT: addi 1, 1, 64
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: ld 30, -16(1) # 8-byte Folded Reload
; CHECK-NEXT: ld 29, -24(1) # 8-byte Folded Reload
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: blr
root:
br label %for.body
exit:
ret void
for.body:
%i = phi i64 [ 0, %root ], [ %next, %for.body ]
%idx = getelementptr inbounds double, ptr %cast, i64 %i
%val = load double, ptr %idx
%cos = tail call nnan ninf nsz arcp double @llvm.experimental.constrained.cos.f64(double %val, metadata !"round.dynamic", metadata !"fpexcept.strict")
store double %cos, ptr %idx, align 8
%next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %next, 255
br i1 %cond, label %exit, label %for.body
}
; Check constrained ops converted to native instruction
define void @test2(ptr %cast) {
; CHECK-LABEL: test2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: li 4, 255
; CHECK-NEXT: addi 3, 3, -8
; CHECK-NEXT: mtctr 4
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB1_1: # %for.body
; CHECK-NEXT: #
; CHECK-NEXT: lfdu 0, 8(3)
; CHECK-NEXT: xssqrtdp 0, 0
; CHECK-NEXT: stfd 0, 0(3)
; CHECK-NEXT: bdnz .LBB1_1
; CHECK-NEXT: # %bb.2: # %exit
; CHECK-NEXT: blr
entry:
br label %for.body
for.body:
%i = phi i64 [ 0, %entry ], [ %next, %for.body ]
%idx = getelementptr inbounds double, ptr %cast, i64 %i
%val = load double, ptr %idx
%cos = tail call nnan ninf nsz arcp double @llvm.experimental.constrained.sqrt.f64(double %val, metadata !"round.dynamic", metadata !"fpexcept.strict")
store double %cos, ptr %idx, align 8
%next = add nuw nsw i64 %i, 1
%cond = icmp eq i64 %next, 255
br i1 %cond, label %exit, label %for.body
exit:
ret void
}
declare double @llvm.experimental.constrained.cos.f64(double, metadata, metadata)
declare double @llvm.experimental.constrained.sqrt.f64(double, metadata, metadata)